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README.html
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>TREXIO source code documentation</title>
@ -360,7 +360,7 @@ and bug reports should be submitted at
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2023-01-11 Wed 18:35</p>
<p class="date">Created: 2023-01-13 Fri 14:48</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>

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<head>
<!-- 2023-01-11 Wed 18:35 -->
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Examples</title>
@ -346,31 +346,31 @@ for the JavaScript code in this tag.
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#orga60d003">1. Accessing sparse quantities (integrals)</a>
<li><a href="#org905599a">1. Accessing sparse quantities (integrals)</a>
<ul>
<li><a href="#org7717455">1.1. Fortran</a>
<li><a href="#orgc983130">1.1. Fortran</a>
<ul>
<li><a href="#orgd0c2770">1.1.1. Declare Temporary variables</a></li>
<li><a href="#org27da21e">1.1.2. Obtain the name of the TREXIO file from the command line, and open it for reading</a></li>
<li><a href="#orge8cdd7e">1.1.3. Read the nuclear repulsion energy</a></li>
<li><a href="#orga60dad1">1.1.4. Read the number of molecular orbitals</a></li>
<li><a href="#org39d5608">1.1.5. Allocate memory</a></li>
<li><a href="#orgce94669">1.1.6. Read one-electron quantities</a></li>
<li><a href="#orge879b46">1.1.7. Read two-electron quantities</a>
<li><a href="#org5daa19d">1.1.1. Declare Temporary variables</a></li>
<li><a href="#org851a6f0">1.1.2. Obtain the name of the TREXIO file from the command line, and open it for reading</a></li>
<li><a href="#orgbb29f51">1.1.3. Read the nuclear repulsion energy</a></li>
<li><a href="#org47de87a">1.1.4. Read the number of molecular orbitals</a></li>
<li><a href="#org2e21278">1.1.5. Allocate memory</a></li>
<li><a href="#orgd0bdb37">1.1.6. Read one-electron quantities</a></li>
<li><a href="#org40392a8">1.1.7. Read two-electron quantities</a>
<ul>
<li><a href="#org11d4eb4">1.1.7.1. Electron repulsion integrals</a></li>
<li><a href="#orgeac937d">1.1.7.2. Reduced density matrix</a></li>
<li><a href="#org71b0ee8">1.1.7.1. Electron repulsion integrals</a></li>
<li><a href="#org1de7c88">1.1.7.2. Reduced density matrix</a></li>
</ul>
</li>
<li><a href="#org8b870a9">1.1.8. Compute the energy</a></li>
<li><a href="#orgaa5e4c9">1.1.9. Terminate</a></li>
<li><a href="#orgf1d68d5">1.1.8. Compute the energy</a></li>
<li><a href="#orgc9ab09c">1.1.9. Terminate</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#org8f2616f">2. Reading determinants</a>
<li><a href="#org5b45ee2">2. Reading determinants</a>
<ul>
<li><a href="#orgfa59962">2.1. Fortran</a></li>
<li><a href="#org7d86640">2.1. Fortran</a></li>
</ul>
</li>
</ul>
@ -378,12 +378,12 @@ for the JavaScript code in this tag.
</div>
<div id="outline-container-orga60d003" class="outline-2">
<h2 id="orga60d003"><span class="section-number-2">1</span> Accessing sparse quantities (integrals)</h2>
<div id="outline-container-org905599a" class="outline-2">
<h2 id="org905599a"><span class="section-number-2">1</span> Accessing sparse quantities (integrals)</h2>
<div class="outline-text-2" id="text-1">
</div>
<div id="outline-container-org7717455" class="outline-3">
<h3 id="org7717455"><span class="section-number-3">1.1</span> Fortran</h3>
<div id="outline-container-orgc983130" class="outline-3">
<h3 id="orgc983130"><span class="section-number-3">1.1</span> Fortran</h3>
<div class="outline-text-3" id="text-1-1">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #a020f0;">program</span> <span style="color: #0000ff;">print_energy</span>
@ -429,8 +429,8 @@ One needs to read from the TREXIO file:
</div>
</div>
<div id="outline-container-orgd0c2770" class="outline-4">
<h4 id="orgd0c2770"><span class="section-number-4">1.1.1</span> Declare Temporary variables</h4>
<div id="outline-container-org5daa19d" class="outline-4">
<h4 id="org5daa19d"><span class="section-number-4">1.1.1</span> Declare Temporary variables</h4>
<div class="outline-text-4" id="text-1-1-1">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #228b22;">integer</span> ::<span style="color: #a0522d;"> i, j, k, l, m</span>
@ -445,8 +445,8 @@ One needs to read from the TREXIO file:
</div>
</div>
<div id="outline-container-org27da21e" class="outline-4">
<h4 id="org27da21e"><span class="section-number-4">1.1.2</span> Obtain the name of the TREXIO file from the command line, and open it for reading</h4>
<div id="outline-container-org851a6f0" class="outline-4">
<h4 id="org851a6f0"><span class="section-number-4">1.1.2</span> Obtain the name of the TREXIO file from the command line, and open it for reading</h4>
<div class="outline-text-4" id="text-1-1-2">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #a020f0;">call</span> <span style="color: #0000ff;">getarg</span>(1, filename)
@ -462,8 +462,8 @@ f = trexio_open (filename, <span style="color: #8b2252;">'r'</span>, TREXIO_HDF5
</div>
</div>
<div id="outline-container-orge8cdd7e" class="outline-4">
<h4 id="orge8cdd7e"><span class="section-number-4">1.1.3</span> Read the nuclear repulsion energy</h4>
<div id="outline-container-orgbb29f51" class="outline-4">
<h4 id="orgbb29f51"><span class="section-number-4">1.1.3</span> Read the nuclear repulsion energy</h4>
<div class="outline-text-4" id="text-1-1-3">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_read_nucleus_repulsion(f, E_nn)
@ -477,8 +477,8 @@ f = trexio_open (filename, <span style="color: #8b2252;">'r'</span>, TREXIO_HDF5
</div>
</div>
<div id="outline-container-orga60dad1" class="outline-4">
<h4 id="orga60dad1"><span class="section-number-4">1.1.4</span> Read the number of molecular orbitals</h4>
<div id="outline-container-org47de87a" class="outline-4">
<h4 id="org47de87a"><span class="section-number-4">1.1.4</span> Read the number of molecular orbitals</h4>
<div class="outline-text-4" id="text-1-1-4">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_read_mo_num(f, n)
@ -492,8 +492,8 @@ f = trexio_open (filename, <span style="color: #8b2252;">'r'</span>, TREXIO_HDF5
</div>
</div>
<div id="outline-container-org39d5608" class="outline-4">
<h4 id="org39d5608"><span class="section-number-4">1.1.5</span> Allocate memory</h4>
<div id="outline-container-org2e21278" class="outline-4">
<h4 id="org2e21278"><span class="section-number-4">1.1.5</span> Allocate memory</h4>
<div class="outline-text-4" id="text-1-1-5">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #a020f0;">allocate</span>( D(n,n), h0(n,n) )
@ -505,8 +505,8 @@ W(:,:,:,:) = 0.d0
</div>
</div>
<div id="outline-container-orgce94669" class="outline-4">
<h4 id="orgce94669"><span class="section-number-4">1.1.6</span> Read one-electron quantities</h4>
<div id="outline-container-orgd0bdb37" class="outline-4">
<h4 id="orgd0bdb37"><span class="section-number-4">1.1.6</span> Read one-electron quantities</h4>
<div class="outline-text-4" id="text-1-1-6">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_has_mo_1e_int_core_hamiltonian(f)
@ -538,8 +538,8 @@ rc = trexio_read_rdm_1e(f, D)
</div>
</div>
<div id="outline-container-orge879b46" class="outline-4">
<h4 id="orge879b46"><span class="section-number-4">1.1.7</span> Read two-electron quantities</h4>
<div id="outline-container-org40392a8" class="outline-4">
<h4 id="org40392a8"><span class="section-number-4">1.1.7</span> Read two-electron quantities</h4>
<div class="outline-text-4" id="text-1-1-7">
<p>
Reading is done with OpenMP. Each thread reads its own buffer, and
@ -555,8 +555,8 @@ to be protected in the critical section when modified.
</p>
</div>
<div id="outline-container-org11d4eb4" class="outline-5">
<h5 id="org11d4eb4"><span class="section-number-5">1.1.7.1</span> Electron repulsion integrals</h5>
<div id="outline-container-org71b0ee8" class="outline-5">
<h5 id="org71b0ee8"><span class="section-number-5">1.1.7.1</span> Electron repulsion integrals</h5>
<div class="outline-text-5" id="text-1-1-7-1">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_has_mo_2e_int_eri(f)
@ -605,8 +605,8 @@ icount = BUFSIZE
</div>
</div>
<div id="outline-container-orgeac937d" class="outline-5">
<h5 id="orgeac937d"><span class="section-number-5">1.1.7.2</span> Reduced density matrix</h5>
<div id="outline-container-org1de7c88" class="outline-5">
<h5 id="org1de7c88"><span class="section-number-5">1.1.7.2</span> Reduced density matrix</h5>
<div class="outline-text-5" id="text-1-1-7-2">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_has_rdm_2e(f)
@ -650,8 +650,8 @@ icount = bufsize
</div>
</div>
<div id="outline-container-org8b870a9" class="outline-4">
<h4 id="org8b870a9"><span class="section-number-4">1.1.8</span> Compute the energy</h4>
<div id="outline-container-orgf1d68d5" class="outline-4">
<h4 id="orgf1d68d5"><span class="section-number-4">1.1.8</span> Compute the energy</h4>
<div class="outline-text-4" id="text-1-1-8">
<p>
When the orbitals are real, we can use
@ -697,8 +697,8 @@ E = E + E_nn
</div>
</div>
<div id="outline-container-orgaa5e4c9" class="outline-4">
<h4 id="orgaa5e4c9"><span class="section-number-4">1.1.9</span> Terminate</h4>
<div id="outline-container-orgc9ab09c" class="outline-4">
<h4 id="orgc9ab09c"><span class="section-number-4">1.1.9</span> Terminate</h4>
<div class="outline-text-4" id="text-1-1-9">
<div class="org-src-container">
<pre class="src src-f90"> <span style="color: #a020f0;">deallocate</span>( D, h0, G, W )
@ -712,12 +712,12 @@ E = E + E_nn
</div>
<div id="outline-container-org8f2616f" class="outline-2">
<h2 id="org8f2616f"><span class="section-number-2">2</span> Reading determinants</h2>
<div id="outline-container-org5b45ee2" class="outline-2">
<h2 id="org5b45ee2"><span class="section-number-2">2</span> Reading determinants</h2>
<div class="outline-text-2" id="text-2">
</div>
<div id="outline-container-orgfa59962" class="outline-3">
<h3 id="orgfa59962"><span class="section-number-3">2.1</span> Fortran</h3>
<div id="outline-container-org7d86640" class="outline-3">
<h3 id="org7d86640"><span class="section-number-3">2.1</span> Fortran</h3>
<div class="outline-text-3" id="text-2-1">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #a020f0;">program</span> <span style="color: #0000ff;">test</span>
@ -796,7 +796,7 @@ end
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2023-01-11 Wed 18:35</p>
<p class="date">Created: 2023-01-13 Fri 14:48</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>

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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<!-- 2023-01-11 Wed 18:35 -->
<!-- 2023-01-13 Fri 14:48 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>TREXIO source code documentation</title>
@ -360,7 +360,7 @@ and bug reports should be submitted at
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2023-01-11 Wed 18:35</p>
<p class="date">Created: 2023-01-13 Fri 14:48</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<!-- 2023-01-11 Wed 18:35 -->
<!-- 2023-01-13 Fri 14:48 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>HDF5 back end</title>
@ -324,25 +324,25 @@ for the JavaScript code in this tag.
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#orgdb82719">1. Template for HDF5 definitions</a></li>
<li><a href="#orga0440bb">2. Template for HDF5 structures</a></li>
<li><a href="#orgd6bfd76">3. Template for HDF5 init/deinit</a></li>
<li><a href="#org817ec0a">4. Template for HDF5 has a group</a></li>
<li><a href="#org48539ab">5. Template for HDF5 has/read/write a numerical attribute</a></li>
<li><a href="#org06afb47">6. Template for HDF5 has/read/write a dataset of numerical data</a></li>
<li><a href="#orga2b4c68">7. Template for HDF5 has/read/write a dataset of sparse data</a></li>
<li><a href="#org1eb0ac7">8. Template for HDF5 has/read/write a dataset of buffered vectors</a></li>
<li><a href="#orgc8924dc">9. Template for HDF5 has/read/write a dataset of strings</a></li>
<li><a href="#org4a07d68">10. Template for HDF5 has/read/write a string attribute</a></li>
<li><a href="#org185f5aa">11. Template for HDF5 delete a group (UNSAFE mode)</a></li>
<li><a href="#org4137ff0">12. Source code for the determinant part</a></li>
<li><a href="#orgee40fb1">13. Helper functions</a></li>
<li><a href="#org18b6a82">1. Template for HDF5 definitions</a></li>
<li><a href="#org5056794">2. Template for HDF5 structures</a></li>
<li><a href="#orgd63cefb">3. Template for HDF5 init/deinit</a></li>
<li><a href="#org14fb858">4. Template for HDF5 has a group</a></li>
<li><a href="#org18b684f">5. Template for HDF5 has/read/write a numerical attribute</a></li>
<li><a href="#org005e8f5">6. Template for HDF5 has/read/write a dataset of numerical data</a></li>
<li><a href="#org7d8e066">7. Template for HDF5 has/read/write a dataset of sparse data</a></li>
<li><a href="#org733f5ee">8. Template for HDF5 has/read/write a dataset of buffered vectors</a></li>
<li><a href="#org2193b4b">9. Template for HDF5 has/read/write a dataset of strings</a></li>
<li><a href="#org4f72873">10. Template for HDF5 has/read/write a string attribute</a></li>
<li><a href="#orgc773567">11. Template for HDF5 delete a group (UNSAFE mode)</a></li>
<li><a href="#org66e5e7e">12. Source code for the determinant part</a></li>
<li><a href="#org8223ef3">13. Helper functions</a></li>
</ul>
</div>
</div>
<div id="outline-container-orgdb82719" class="outline-2">
<h2 id="orgdb82719"><span class="section-number-2">1</span> Template for HDF5 definitions</h2>
<div id="outline-container-org18b6a82" class="outline-2">
<h2 id="org18b6a82"><span class="section-number-2">1</span> Template for HDF5 definitions</h2>
<div class="outline-text-2" id="text-1">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #483d8b;">#define</span> $GROUP$_GROUP_NAME <span style="color: #8b2252;">"$group$"</span>
@ -354,8 +354,8 @@ for the JavaScript code in this tag.
</div>
</div>
<div id="outline-container-orga0440bb" class="outline-2">
<h2 id="orga0440bb"><span class="section-number-2">2</span> Template for HDF5 structures</h2>
<div id="outline-container-org5056794" class="outline-2">
<h2 id="org5056794"><span class="section-number-2">2</span> Template for HDF5 structures</h2>
<div class="outline-text-2" id="text-2">
<p>
Polymorphism of the <code>trexio_t</code> type is handled by ensuring that the
@ -375,8 +375,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-orgd6bfd76" class="outline-2">
<h2 id="orgd6bfd76"><span class="section-number-2">3</span> Template for HDF5 init/deinit</h2>
<div id="outline-container-orgd63cefb" class="outline-2">
<h2 id="orgd63cefb"><span class="section-number-2">3</span> Template for HDF5 init/deinit</h2>
<div class="outline-text-2" id="text-3">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -496,8 +496,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org817ec0a" class="outline-2">
<h2 id="org817ec0a"><span class="section-number-2">4</span> Template for HDF5 has a group</h2>
<div id="outline-container-org14fb858" class="outline-2">
<h2 id="org14fb858"><span class="section-number-2">4</span> Template for HDF5 has a group</h2>
<div class="outline-text-2" id="text-4">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -527,8 +527,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org48539ab" class="outline-2">
<h2 id="org48539ab"><span class="section-number-2">5</span> Template for HDF5 has/read/write a numerical attribute</h2>
<div id="outline-container-org18b684f" class="outline-2">
<h2 id="org18b684f"><span class="section-number-2">5</span> Template for HDF5 has/read/write a numerical attribute</h2>
<div class="outline-text-2" id="text-5">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -632,8 +632,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org06afb47" class="outline-2">
<h2 id="org06afb47"><span class="section-number-2">6</span> Template for HDF5 has/read/write a dataset of numerical data</h2>
<div id="outline-container-org005e8f5" class="outline-2">
<h2 id="org005e8f5"><span class="section-number-2">6</span> Template for HDF5 has/read/write a dataset of numerical data</h2>
<div class="outline-text-2" id="text-6">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -767,8 +767,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-orga2b4c68" class="outline-2">
<h2 id="orga2b4c68"><span class="section-number-2">7</span> Template for HDF5 has/read/write a dataset of sparse data</h2>
<div id="outline-container-org7d8e066" class="outline-2">
<h2 id="org7d8e066"><span class="section-number-2">7</span> Template for HDF5 has/read/write a dataset of sparse data</h2>
<div class="outline-text-2" id="text-7">
<p>
Sparse data is stored using extensible datasets of HDF5. Extensibility is required
@ -971,8 +971,8 @@ due to the fact that the sparse data will be written in chunks of user-defined s
</div>
</div>
<div id="outline-container-org1eb0ac7" class="outline-2">
<h2 id="org1eb0ac7"><span class="section-number-2">8</span> Template for HDF5 has/read/write a dataset of buffered vectors</h2>
<div id="outline-container-org733f5ee" class="outline-2">
<h2 id="org733f5ee"><span class="section-number-2">8</span> Template for HDF5 has/read/write a dataset of buffered vectors</h2>
<div class="outline-text-2" id="text-8">
<p>
Chunked I/O in HDF5 for <code>buffered</code> data.
@ -1107,8 +1107,8 @@ Chunked I/O in HDF5 for <code>buffered</code> data.
</div>
</div>
<div id="outline-container-orgc8924dc" class="outline-2">
<h2 id="orgc8924dc"><span class="section-number-2">9</span> Template for HDF5 has/read/write a dataset of strings</h2>
<div id="outline-container-org2193b4b" class="outline-2">
<h2 id="org2193b4b"><span class="section-number-2">9</span> Template for HDF5 has/read/write a dataset of strings</h2>
<div class="outline-text-2" id="text-9">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1306,8 +1306,8 @@ Chunked I/O in HDF5 for <code>buffered</code> data.
</div>
</div>
<div id="outline-container-org4a07d68" class="outline-2">
<h2 id="org4a07d68"><span class="section-number-2">10</span> Template for HDF5 has/read/write a string attribute</h2>
<div id="outline-container-org4f72873" class="outline-2">
<h2 id="org4f72873"><span class="section-number-2">10</span> Template for HDF5 has/read/write a string attribute</h2>
<div class="outline-text-2" id="text-10">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1434,8 +1434,8 @@ Chunked I/O in HDF5 for <code>buffered</code> data.
</div>
</div>
</div>
<div id="outline-container-org185f5aa" class="outline-2">
<h2 id="org185f5aa"><span class="section-number-2">11</span> Template for HDF5 delete a group (UNSAFE mode)</h2>
<div id="outline-container-orgc773567" class="outline-2">
<h2 id="orgc773567"><span class="section-number-2">11</span> Template for HDF5 delete a group (UNSAFE mode)</h2>
<div class="outline-text-2" id="text-11">
<p>
<b><b>Note:</b></b> in early versions of the HDF5 library (v &lt; 1.10) unlinking an object was not working as expected
@ -1475,8 +1475,8 @@ Thus, any corrupted/lost file space will remain in the first file. The use of <c
</div>
</div>
<div id="outline-container-org4137ff0" class="outline-2">
<h2 id="org4137ff0"><span class="section-number-2">12</span> Source code for the determinant part</h2>
<div id="outline-container-org66e5e7e" class="outline-2">
<h2 id="org66e5e7e"><span class="section-number-2">12</span> Source code for the determinant part</h2>
<div class="outline-text-2" id="text-12">
<p>
Each array is stored in a separate HDF5 dataset due to the fact that determinant I/O has to be decoupled.
@ -1579,8 +1579,8 @@ Size specifies the number of data items (e.g. determinants) to process.
</div>
</div>
<div id="outline-container-orgee40fb1" class="outline-2">
<h2 id="orgee40fb1"><span class="section-number-2">13</span> Helper functions</h2>
<div id="outline-container-org8223ef3" class="outline-2">
<h2 id="org8223ef3"><span class="section-number-2">13</span> Helper functions</h2>
<div class="outline-text-2" id="text-13">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1843,7 +1843,7 @@ Size specifies the number of data items (e.g. determinants) to process.
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2023-01-11 Wed 18:35</p>
<p class="date">Created: 2023-01-13 Fri 14:48</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>

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<head>
<!-- 2023-01-11 Wed 18:35 -->
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>TEXT back end</title>
@ -324,23 +324,23 @@ for the JavaScript code in this tag.
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#org6597cb3">1. Template for group-related structures in text back end</a></li>
<li><a href="#orgcfb143d">2. Template for general structure in text back end</a></li>
<li><a href="#org7406ebf">3. Initialize function (constant part)</a></li>
<li><a href="#orgbce22cf">4. Deinitialize function (templated part)</a></li>
<li><a href="#orgbe42ff8">5. Flush function (templated part)</a></li>
<li><a href="#orgf81c11b">6. Template for text read a group</a></li>
<li><a href="#orgcee0b6f">7. Template for text has a group</a></li>
<li><a href="#org46ff19f">8. Template for text flush a group</a></li>
<li><a href="#orga987fe0">9. Template for text free memory</a></li>
<li><a href="#org61c96e3">10. Template for has/read/write a numerical attribute</a></li>
<li><a href="#org537e0d0">11. Template for has/read/write a dataset of numerical data</a></li>
<li><a href="#org8bc36f6">12. Template for has/read/write a dataset of strings</a></li>
<li><a href="#orge6df78a">13. Template for has/read/write a string attribute</a></li>
<li><a href="#org2c1a45d">14. Template for has/read/write the dataset of sparse data</a></li>
<li><a href="#orgd3e76fa">15. Template for has/read/write a buffered vector</a></li>
<li><a href="#org3c47dad">16. Template for text delete a group (UNSAFE mode)</a></li>
<li><a href="#org6d532fb">17. Source code for the determinant part</a></li>
<li><a href="#orgd5556fc">1. Template for group-related structures in text back end</a></li>
<li><a href="#org1dc4872">2. Template for general structure in text back end</a></li>
<li><a href="#orge4fb8ef">3. Initialize function (constant part)</a></li>
<li><a href="#org65da595">4. Deinitialize function (templated part)</a></li>
<li><a href="#org7243234">5. Flush function (templated part)</a></li>
<li><a href="#orgd60b2bc">6. Template for text read a group</a></li>
<li><a href="#orged673ba">7. Template for text has a group</a></li>
<li><a href="#orgb8f0824">8. Template for text flush a group</a></li>
<li><a href="#orge9a6433">9. Template for text free memory</a></li>
<li><a href="#orga4c329c">10. Template for has/read/write a numerical attribute</a></li>
<li><a href="#org178cfee">11. Template for has/read/write a dataset of numerical data</a></li>
<li><a href="#org575d148">12. Template for has/read/write a dataset of strings</a></li>
<li><a href="#org85233cc">13. Template for has/read/write a string attribute</a></li>
<li><a href="#orge6d4086">14. Template for has/read/write the dataset of sparse data</a></li>
<li><a href="#org417bceb">15. Template for has/read/write a buffered vector</a></li>
<li><a href="#org1e07bb5">16. Template for text delete a group (UNSAFE mode)</a></li>
<li><a href="#org2fc3520">17. Source code for the determinant part</a></li>
</ul>
</div>
</div>
@ -362,8 +362,8 @@ directory.
The file is written when closed, or when the flush function is called.
</p>
<div id="outline-container-org6597cb3" class="outline-2">
<h2 id="org6597cb3"><span class="section-number-2">1</span> Template for group-related structures in text back end</h2>
<div id="outline-container-orgd5556fc" class="outline-2">
<h2 id="orgd5556fc"><span class="section-number-2">1</span> Template for group-related structures in text back end</h2>
<div class="outline-text-2" id="text-1">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #a020f0;">typedef</span> <span style="color: #a020f0;">struct</span> $group$_s {
@ -382,8 +382,8 @@ The file is written when closed, or when the flush function is called.
</div>
</div>
<div id="outline-container-orgcfb143d" class="outline-2">
<h2 id="orgcfb143d"><span class="section-number-2">2</span> Template for general structure in text back end</h2>
<div id="outline-container-org1dc4872" class="outline-2">
<h2 id="org1dc4872"><span class="section-number-2">2</span> Template for general structure in text back end</h2>
<div class="outline-text-2" id="text-2">
<p>
Polymorphism of the <code>trexio_t</code> type is handled by ensuring that the
@ -403,8 +403,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org7406ebf" class="outline-2">
<h2 id="org7406ebf"><span class="section-number-2">3</span> Initialize function (constant part)</h2>
<div id="outline-container-orge4fb8ef" class="outline-2">
<h2 id="orge4fb8ef"><span class="section-number-2">3</span> Initialize function (constant part)</h2>
<div class="outline-text-2" id="text-3">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">bool</span>
@ -571,8 +571,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-orgbce22cf" class="outline-2">
<h2 id="orgbce22cf"><span class="section-number-2">4</span> Deinitialize function (templated part)</h2>
<div id="outline-container-org65da595" class="outline-2">
<h2 id="org65da595"><span class="section-number-2">4</span> Deinitialize function (templated part)</h2>
<div class="outline-text-2" id="text-4">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -594,8 +594,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-orgbe42ff8" class="outline-2">
<h2 id="orgbe42ff8"><span class="section-number-2">5</span> Flush function (templated part)</h2>
<div id="outline-container-org7243234" class="outline-2">
<h2 id="org7243234"><span class="section-number-2">5</span> Flush function (templated part)</h2>
<div class="outline-text-2" id="text-5">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -618,8 +618,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-orgf81c11b" class="outline-2">
<h2 id="orgf81c11b"><span class="section-number-2">6</span> Template for text read a group</h2>
<div id="outline-container-orgd60b2bc" class="outline-2">
<h2 id="orgd60b2bc"><span class="section-number-2">6</span> Template for text read a group</h2>
<div class="outline-text-2" id="text-6">
<div class="org-src-container">
<pre class="src src-c">$group$_t*
@ -845,8 +845,8 @@ trexio_text_read_$group$ (<span style="color: #228b22;">trexio_text_t</span>* <s
</div>
</div>
<div id="outline-container-orgcee0b6f" class="outline-2">
<h2 id="orgcee0b6f"><span class="section-number-2">7</span> Template for text has a group</h2>
<div id="outline-container-orged673ba" class="outline-2">
<h2 id="orged673ba"><span class="section-number-2">7</span> Template for text has a group</h2>
<div class="outline-text-2" id="text-7">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -886,8 +886,8 @@ trexio_text_read_$group$ (<span style="color: #228b22;">trexio_text_t</span>* <s
</div>
</div>
<div id="outline-container-org46ff19f" class="outline-2">
<h2 id="org46ff19f"><span class="section-number-2">8</span> Template for text flush a group</h2>
<div id="outline-container-orgb8f0824" class="outline-2">
<h2 id="orgb8f0824"><span class="section-number-2">8</span> Template for text flush a group</h2>
<div class="outline-text-2" id="text-8">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -951,8 +951,8 @@ trexio_text_read_$group$ (<span style="color: #228b22;">trexio_text_t</span>* <s
</div>
</div>
<div id="outline-container-orga987fe0" class="outline-2">
<h2 id="orga987fe0"><span class="section-number-2">9</span> Template for text free memory</h2>
<div id="outline-container-orge9a6433" class="outline-2">
<h2 id="orge9a6433"><span class="section-number-2">9</span> Template for text free memory</h2>
<div class="outline-text-2" id="text-9">
<p>
Memory is allocated when reading. The following function frees memory.
@ -1021,8 +1021,8 @@ This function is called upon the non-successful exit from the <code>trexio_text_
</div>
</div>
<div id="outline-container-org61c96e3" class="outline-2">
<h2 id="org61c96e3"><span class="section-number-2">10</span> Template for has/read/write a numerical attribute</h2>
<div id="outline-container-orga4c329c" class="outline-2">
<h2 id="orga4c329c"><span class="section-number-2">10</span> Template for has/read/write a numerical attribute</h2>
<div class="outline-text-2" id="text-10">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1085,8 +1085,8 @@ This function is called upon the non-successful exit from the <code>trexio_text_
</div>
</div>
<div id="outline-container-org537e0d0" class="outline-2">
<h2 id="org537e0d0"><span class="section-number-2">11</span> Template for has/read/write a dataset of numerical data</h2>
<div id="outline-container-org178cfee" class="outline-2">
<h2 id="org178cfee"><span class="section-number-2">11</span> Template for has/read/write a dataset of numerical data</h2>
<div class="outline-text-2" id="text-11">
<p>
The <code>group_dset</code> array is assumed allocated with the appropriate size.
@ -1182,8 +1182,8 @@ The <code>group_dset</code> array is assumed allocated with the appropriate size
</div>
</div>
</div>
<div id="outline-container-org8bc36f6" class="outline-2">
<h2 id="org8bc36f6"><span class="section-number-2">12</span> Template for has/read/write a dataset of strings</h2>
<div id="outline-container-org575d148" class="outline-2">
<h2 id="org575d148"><span class="section-number-2">12</span> Template for has/read/write a dataset of strings</h2>
<div class="outline-text-2" id="text-12">
<p>
The <code>group_dset</code> array is assumed allocated with the appropriate size.
@ -1284,8 +1284,8 @@ The <code>group_dset</code> array is assumed allocated with the appropriate size
</div>
</div>
</div>
<div id="outline-container-orge6df78a" class="outline-2">
<h2 id="orge6df78a"><span class="section-number-2">13</span> Template for has/read/write a string attribute</h2>
<div id="outline-container-org85233cc" class="outline-2">
<h2 id="org85233cc"><span class="section-number-2">13</span> Template for has/read/write a string attribute</h2>
<div class="outline-text-2" id="text-13">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1359,8 +1359,8 @@ The <code>group_dset</code> array is assumed allocated with the appropriate size
</div>
</div>
</div>
<div id="outline-container-org2c1a45d" class="outline-2">
<h2 id="org2c1a45d"><span class="section-number-2">14</span> Template for has/read/write the dataset of sparse data</h2>
<div id="outline-container-orge6d4086" class="outline-2">
<h2 id="orge6d4086"><span class="section-number-2">14</span> Template for has/read/write the dataset of sparse data</h2>
<div class="outline-text-2" id="text-14">
<p>
Each sparse array is stored in a separate <code>.txt</code> file due to the fact that sparse I/O has to be decoupled
@ -1650,8 +1650,8 @@ User provides indices and values of the sparse array as two separate variables.
</div>
</div>
<div id="outline-container-orgd3e76fa" class="outline-2">
<h2 id="orgd3e76fa"><span class="section-number-2">15</span> Template for has/read/write a buffered vector</h2>
<div id="outline-container-org417bceb" class="outline-2">
<h2 id="org417bceb"><span class="section-number-2">15</span> Template for has/read/write a buffered vector</h2>
<div class="outline-text-2" id="text-15">
<p>
Each array is stored in a separate <code>.txt</code> file due to the fact that buffered I/O has to be decoupled
@ -1881,8 +1881,8 @@ Size specifies the number of vector elements to be written.
</div>
</div>
</div>
<div id="outline-container-org3c47dad" class="outline-2">
<h2 id="org3c47dad"><span class="section-number-2">16</span> Template for text delete a group (UNSAFE mode)</h2>
<div id="outline-container-org1e07bb5" class="outline-2">
<h2 id="org1e07bb5"><span class="section-number-2">16</span> Template for text delete a group (UNSAFE mode)</h2>
<div class="outline-text-2" id="text-16">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1910,8 +1910,8 @@ Size specifies the number of vector elements to be written.
</div>
</div>
<div id="outline-container-org6d532fb" class="outline-2">
<h2 id="org6d532fb"><span class="section-number-2">17</span> Source code for the determinant part</h2>
<div id="outline-container-org2fc3520" class="outline-2">
<h2 id="org2fc3520"><span class="section-number-2">17</span> Source code for the determinant part</h2>
<div class="outline-text-2" id="text-17">
<p>
Each array is stored in a separate <code>.txt</code> file due to the fact that determinant I/O has to be decoupled
@ -2103,7 +2103,7 @@ Size specifies the number of data items, e.g. determinants.
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2023-01-11 Wed 18:35</p>
<p class="date">Created: 2023-01-13 Fri 14:48</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>

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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>TREX Configuration file</title>
@ -346,70 +346,70 @@ for the JavaScript code in this tag.
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#orga668de9">1. Metadata (metadata group)</a></li>
<li><a href="#orgac61218">2. System</a>
<li><a href="#org400f57e">1. Metadata (metadata group)</a></li>
<li><a href="#org5d08e0a">2. System</a>
<ul>
<li><a href="#org8ccb9c3">2.1. Nucleus (nucleus group)</a></li>
<li><a href="#org670d159">2.2. Cell (cell group)</a></li>
<li><a href="#org4eff854">2.3. Periodic boundary calculations (pbc group)</a></li>
<li><a href="#org518ff1d">2.4. Electron (electron group)</a></li>
<li><a href="#org4cb1621">2.5. Ground or excited states (state group)</a></li>
<li><a href="#orgca10043">2.1. Nucleus (nucleus group)</a></li>
<li><a href="#orge26b227">2.2. Cell (cell group)</a></li>
<li><a href="#org116ba34">2.3. Periodic boundary calculations (pbc group)</a></li>
<li><a href="#org78b61e6">2.4. Electron (electron group)</a></li>
<li><a href="#orgc4c2c51">2.5. Ground or excited states (state group)</a></li>
</ul>
</li>
<li><a href="#org364d828">3. Basis functions</a>
<li><a href="#org9d794c9">3. Basis functions</a>
<ul>
<li><a href="#orgfb4b5d0">3.1. Basis set (basis group)</a>
<li><a href="#org37eb01a">3.1. Basis set (basis group)</a>
<ul>
<li><a href="#org069853e">3.1.1. Gaussian and Slater-type orbitals</a></li>
<li><a href="#orgc0ec4a1">3.1.2. Plane waves</a></li>
<li><a href="#org758fa05">3.1.3. Data definitions</a></li>
<li><a href="#org5a55a23">3.1.4. Example</a></li>
<li><a href="#orge9960b3">3.1.1. Gaussian and Slater-type orbitals</a></li>
<li><a href="#org3e6480a">3.1.2. Plane waves</a></li>
<li><a href="#org2cb6d55">3.1.3. Data definitions</a></li>
<li><a href="#orgbf0fe23">3.1.4. Example</a></li>
</ul>
</li>
<li><a href="#org3c95d37">3.2. Effective core potentials (ecp group)</a>
<li><a href="#orgf9b3d6f">3.2. Effective core potentials (ecp group)</a>
<ul>
<li><a href="#org823893e">3.2.1. Example</a></li>
<li><a href="#org6d034eb">3.2.1. Example</a></li>
</ul>
</li>
<li><a href="#orga6c7216">3.3. Numerical integration grid (grid group)</a></li>
<li><a href="#org9353080">3.3. Numerical integration grid (grid group)</a></li>
</ul>
</li>
<li><a href="#org6eaf1d0">4. Orbitals</a>
<li><a href="#orgb859c96">4. Orbitals</a>
<ul>
<li><a href="#orgd9f8d69">4.1. Atomic orbitals (ao group)</a>
<li><a href="#org4255c4d">4.1. Atomic orbitals (ao group)</a>
<ul>
<li><a href="#ao_one_e">4.1.1. One-electron integrals (<code>ao_1e_int</code> group)</a></li>
<li><a href="#ao_two_e">4.1.2. Two-electron integrals (<code>ao_2e_int</code> group)</a></li>
</ul>
</li>
<li><a href="#org3bc5f59">4.2. Molecular orbitals (mo group)</a>
<li><a href="#org974e7a7">4.2. Molecular orbitals (mo group)</a>
<ul>
<li><a href="#orga317863">4.2.1. One-electron integrals (<code>mo_1e_int</code> group)</a></li>
<li><a href="#org504572a">4.2.2. Two-electron integrals (<code>mo_2e_int</code> group)</a></li>
<li><a href="#org8e8c832">4.2.1. One-electron integrals (<code>mo_1e_int</code> group)</a></li>
<li><a href="#orge9d01be">4.2.2. Two-electron integrals (<code>mo_2e_int</code> group)</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#org3902688">5. Multi-determinant information</a>
<li><a href="#org418b92b">5. Multi-determinant information</a>
<ul>
<li><a href="#org08663a4">5.1. Slater determinants (determinant group)</a></li>
<li><a href="#org34beca9">5.2. Configuration state functions (csf group)</a></li>
<li><a href="#orgdd8d096">5.3. Amplitudes (amplitude group)</a></li>
<li><a href="#org12fe87d">5.4. Reduced density matrices (rdm group)</a></li>
<li><a href="#org01d223e">5.1. Slater determinants (determinant group)</a></li>
<li><a href="#org0193754">5.2. Configuration state functions (csf group)</a></li>
<li><a href="#org416b269">5.3. Amplitudes (amplitude group)</a></li>
<li><a href="#org87fe807">5.4. Reduced density matrices (rdm group)</a></li>
</ul>
</li>
<li><a href="#org705019a">6. Correlation factors</a>
<li><a href="#orgdab52dd">6. Correlation factors</a>
<ul>
<li><a href="#org320793f">6.1. Jastrow factor (jastrow group)</a>
<li><a href="#org2e8031e">6.1. Jastrow factor (jastrow group)</a>
<ul>
<li><a href="#orgae1b3d1">6.1.1. CHAMP</a></li>
<li><a href="#org9909f84">6.1.2. Mu</a></li>
<li><a href="#org84472dc">6.1.3. Table of values</a></li>
<li><a href="#org9e0002e">6.1.1. CHAMP</a></li>
<li><a href="#org1f5142f">6.1.2. Mu</a></li>
<li><a href="#org9af8bbb">6.1.3. Table of values</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#org36923e1">7. Quantum Monte Carlo data (qmc group)</a></li>
<li><a href="#orgabc6f85">7. Quantum Monte Carlo data (qmc group)</a></li>
</ul>
</div>
</div>
@ -477,8 +477,8 @@ in the variable, and the imaginary part will be stored in the variable
with the same name suffixed by <code>_im</code>.
</p>
<div id="outline-container-orga668de9" class="outline-2">
<h2 id="orga668de9"><span class="section-number-2">1</span> Metadata (metadata group)</h2>
<div id="outline-container-org400f57e" class="outline-2">
<h2 id="org400f57e"><span class="section-number-2">1</span> Metadata (metadata group)</h2>
<div class="outline-text-2" id="text-1">
<p>
As we expect TREXIO files to be archived in open-data repositories,
@ -488,7 +488,7 @@ have participated to the creation of the file, a list of authors of
the file, and a textual description.
</p>
<table id="orgaa0a743" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgf45b147" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -571,19 +571,19 @@ value can be manually overwritten (in unsafe mode) from <code>1</code> to <code>
</div>
</div>
<div id="outline-container-orgac61218" class="outline-2">
<h2 id="orgac61218"><span class="section-number-2">2</span> System</h2>
<div id="outline-container-org5d08e0a" class="outline-2">
<h2 id="org5d08e0a"><span class="section-number-2">2</span> System</h2>
<div class="outline-text-2" id="text-2">
</div>
<div id="outline-container-org8ccb9c3" class="outline-3">
<h3 id="org8ccb9c3"><span class="section-number-3">2.1</span> Nucleus (nucleus group)</h3>
<div id="outline-container-orgca10043" class="outline-3">
<h3 id="orgca10043"><span class="section-number-3">2.1</span> Nucleus (nucleus group)</h3>
<div class="outline-text-3" id="text-2-1">
<p>
The nuclei are considered as fixed point charges. Coordinates are
given in Cartesian \((x,y,z)\) format.
</p>
<table id="org82ba13b" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org0914be0" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -650,15 +650,15 @@ given in Cartesian \((x,y,z)\) format.
</div>
</div>
<div id="outline-container-org670d159" class="outline-3">
<h3 id="org670d159"><span class="section-number-3">2.2</span> Cell (cell group)</h3>
<div id="outline-container-orge26b227" class="outline-3">
<h3 id="orge26b227"><span class="section-number-3">2.2</span> Cell (cell group)</h3>
<div class="outline-text-3" id="text-2-2">
<p>
3 Lattice vectors to define a box containing the system, for example
used in periodic calculations.
</p>
<table id="org16fc6a2" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgfe5b0d6" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -732,15 +732,15 @@ used in periodic calculations.
</div>
</div>
<div id="outline-container-org4eff854" class="outline-3">
<h3 id="org4eff854"><span class="section-number-3">2.3</span> Periodic boundary calculations (pbc group)</h3>
<div id="outline-container-org116ba34" class="outline-3">
<h3 id="org116ba34"><span class="section-number-3">2.3</span> Periodic boundary calculations (pbc group)</h3>
<div class="outline-text-3" id="text-2-3">
<p>
A single $k$-point per TREXIO file can be stored. The $k$-point is
defined in this group.
</p>
<table id="org776141a" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgf2bc8ec" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -779,15 +779,15 @@ defined in this group.
</div>
</div>
<div id="outline-container-org518ff1d" class="outline-3">
<h3 id="org518ff1d"><span class="section-number-3">2.4</span> Electron (electron group)</h3>
<div id="outline-container-org78b61e6" class="outline-3">
<h3 id="org78b61e6"><span class="section-number-3">2.4</span> Electron (electron group)</h3>
<div class="outline-text-3" id="text-2-4">
<p>
We consider wave functions expressed in the spin-free formalism, where
the number of &uarr; and &darr; electrons is fixed.
</p>
<table id="org16ca417" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org8d5f3c5" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -833,8 +833,8 @@ the number of &uarr; and &darr; electrons is fixed.
</div>
</div>
<div id="outline-container-org4cb1621" class="outline-3">
<h3 id="org4cb1621"><span class="section-number-3">2.5</span> Ground or excited states (state group)</h3>
<div id="outline-container-orgc4c2c51" class="outline-3">
<h3 id="orgc4c2c51"><span class="section-number-3">2.5</span> Ground or excited states (state group)</h3>
<div class="outline-text-3" id="text-2-5">
<p>
This group contains information about excited states. Since only a
@ -851,7 +851,7 @@ integrals, etc.
The <code>id</code> and <code>current_label</code> attributes need to be specified for each file.
</p>
<table id="org7da175d" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgbc69651" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -912,16 +912,16 @@ The <code>id</code> and <code>current_label</code> attributes need to be specifi
</div>
</div>
<div id="outline-container-org364d828" class="outline-2">
<h2 id="org364d828"><span class="section-number-2">3</span> Basis functions</h2>
<div id="outline-container-org9d794c9" class="outline-2">
<h2 id="org9d794c9"><span class="section-number-2">3</span> Basis functions</h2>
<div class="outline-text-2" id="text-3">
</div>
<div id="outline-container-orgfb4b5d0" class="outline-3">
<h3 id="orgfb4b5d0"><span class="section-number-3">3.1</span> Basis set (basis group)</h3>
<div id="outline-container-org37eb01a" class="outline-3">
<h3 id="org37eb01a"><span class="section-number-3">3.1</span> Basis set (basis group)</h3>
<div class="outline-text-3" id="text-3-1">
</div>
<div id="outline-container-org069853e" class="outline-4">
<h4 id="org069853e"><span class="section-number-4">3.1.1</span> Gaussian and Slater-type orbitals</h4>
<div id="outline-container-orge9960b3" class="outline-4">
<h4 id="orge9960b3"><span class="section-number-4">3.1.1</span> Gaussian and Slater-type orbitals</h4>
<div class="outline-text-4" id="text-3-1-1">
<p>
We consider here basis functions centered on nuclei. Hence, we enable
@ -975,8 +975,8 @@ All the basis set parameters are stored in one-dimensional arrays.
</div>
</div>
<div id="outline-container-orgc0ec4a1" class="outline-4">
<h4 id="orgc0ec4a1"><span class="section-number-4">3.1.2</span> Plane waves</h4>
<div id="outline-container-org3e6480a" class="outline-4">
<h4 id="org3e6480a"><span class="section-number-4">3.1.2</span> Plane waves</h4>
<div class="outline-text-4" id="text-3-1-2">
<p>
A plane wave is defined as
@ -997,10 +997,10 @@ plane waves.
</div>
</div>
<div id="outline-container-org758fa05" class="outline-4">
<h4 id="org758fa05"><span class="section-number-4">3.1.3</span> Data definitions</h4>
<div id="outline-container-org2cb6d55" class="outline-4">
<h4 id="org2cb6d55"><span class="section-number-4">3.1.3</span> Data definitions</h4>
<div class="outline-text-4" id="text-3-1-3">
<table id="org4ebd115" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org63abc44" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1109,8 +1109,8 @@ plane waves.
</div>
</div>
<div id="outline-container-org5a55a23" class="outline-4">
<h4 id="org5a55a23"><span class="section-number-4">3.1.4</span> Example</h4>
<div id="outline-container-orgbf0fe23" class="outline-4">
<h4 id="orgbf0fe23"><span class="section-number-4">3.1.4</span> Example</h4>
<div class="outline-text-4" id="text-3-1-4">
<p>
For example, consider H<sub>2</sub> with the following basis set (in GAMESS
@ -1188,8 +1188,8 @@ prim_factor =
</div>
</div>
<div id="outline-container-org3c95d37" class="outline-3">
<h3 id="org3c95d37"><span class="section-number-3">3.2</span> Effective core potentials (ecp group)</h3>
<div id="outline-container-orgf9b3d6f" class="outline-3">
<h3 id="orgf9b3d6f"><span class="section-number-3">3.2</span> Effective core potentials (ecp group)</h3>
<div class="outline-text-3" id="text-3-2">
<p>
An effective core potential (ECP) \(V_A^{\text{ECP}}\) replacing the
@ -1221,7 +1221,7 @@ All the functions \(V_{A\ell}\) are parameterized as:
See <a href="http://dx.doi.org/10.1063/1.4984046">http://dx.doi.org/10.1063/1.4984046</a> or <a href="https://doi.org/10.1063/1.5121006">https://doi.org/10.1063/1.5121006</a> for more info.
</p>
<table id="orgec61feb" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org16b164d" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1325,8 +1325,8 @@ If you encounter the aforementioned issue, please report it to our
</p>
</div>
<div id="outline-container-org823893e" class="outline-4">
<h4 id="org823893e"><span class="section-number-4">3.2.1</span> Example</h4>
<div id="outline-container-org6d034eb" class="outline-4">
<h4 id="org6d034eb"><span class="section-number-4">3.2.1</span> Example</h4>
<div class="outline-text-4" id="text-3-2-1">
<p>
For example, consider H<sub>2</sub> molecule with the following
@ -1389,8 +1389,8 @@ power = [
</div>
</div>
<div id="outline-container-orga6c7216" class="outline-3">
<h3 id="orga6c7216"><span class="section-number-3">3.3</span> Numerical integration grid (grid group)</h3>
<div id="outline-container-org9353080" class="outline-3">
<h3 id="org9353080"><span class="section-number-3">3.3</span> Numerical integration grid (grid group)</h3>
<div class="outline-text-3" id="text-3-3">
<p>
In some applications, such as DFT calculations, integrals have to
@ -1405,7 +1405,7 @@ The structure of this group is adapted for the <a href="https://github.com/dftli
Feel free to submit a PR if you find missing options/functionalities.
</p>
<table id="orgf513d1d" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org8df6818" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1522,12 +1522,12 @@ Feel free to submit a PR if you find missing options/functionalities.
</div>
</div>
<div id="outline-container-org6eaf1d0" class="outline-2">
<h2 id="org6eaf1d0"><span class="section-number-2">4</span> Orbitals</h2>
<div id="outline-container-orgb859c96" class="outline-2">
<h2 id="orgb859c96"><span class="section-number-2">4</span> Orbitals</h2>
<div class="outline-text-2" id="text-4">
</div>
<div id="outline-container-orgd9f8d69" class="outline-3">
<h3 id="orgd9f8d69"><span class="section-number-3">4.1</span> Atomic orbitals (ao group)</h3>
<div id="outline-container-org4255c4d" class="outline-3">
<h3 id="org4255c4d"><span class="section-number-3">4.1</span> Atomic orbitals (ao group)</h3>
<div class="outline-text-3" id="text-4-1">
<p>
Going from the atomic basis set to AOs implies a systematic
@ -1558,35 +1558,35 @@ AOs are defined as
<p>
\[
\chi_i (\mathbf{r}) = \mathcal{N}_i\, P_{\eta(i)}(\mathbf{r})\, R_{\theta(i)} (\mathbf{r})
\chi_i (\mathbf{r}) = \mathcal{N}_i\, P_{\eta(i)}(\mathbf{r})\, R_{s(i)} (\mathbf{r})
\]
</p>
<p>
where \(i\) is the atomic orbital index,
\(P\) encodes for either the
polynomials or the spherical harmonics, \(\theta(i)\) returns the
polynomials or the spherical harmonics, \(s(i)\) returns the
shell on which the AO is expanded, and \(\eta(i)\) denotes which
angular function is chosen.
\(\mathcal{N}_i\) is a normalization factor that enables the
possibility to have different normalization coefficients within a
shell, as in the GAMESS convention where
\(\mathcal{N}_{x^2} \ne \mathcal{N}_{xy}\) because
\[ \left[ \iiint \left(x-X_A \right)^2 R_{\theta(i)}
\[ \left[ \iiint \left(x-X_A \right)^2 R_{s(i)}
(\mathbf{r}) dx\, dy\, dz \right]^{-1/2} \ne
\left[ \iiint \left( x-X_A \right) \left( y-Y_A \right) R_{\theta(i)}
\left[ \iiint \left( x-X_A \right) \left( y-Y_A \right) R_{s(i)}
(\mathbf{r}) dx\, dy\, dz \right]^{-1/2}. \]
</p>
<p>
In such a case, one should set the normalization of the shell (in
the <a href="#orgfb4b5d0">Basis set</a> section) to \(\mathcal{N}_{z^2}\), which is the
the <a href="#org37eb01a">Basis set</a> section) to \(\mathcal{N}_{z^2}\), which is the
normalization factor of the atomic orbitals in spherical coordinates.
The normalization factor of the \(xy\) function which should be
introduced here should be \(\frac{\mathcal{N}_{xy}}{\mathcal{N}_{z^2}}\).
</p>
<table id="orgd41dcc5" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgf81416b" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1625,20 +1625,20 @@ introduced here should be \(\frac{\mathcal{N}_{xy}}{\mathcal{N}_{z^2}}\).
<td class="org-left"><code>shell</code></td>
<td class="org-left"><code>index</code></td>
<td class="org-left"><code>(ao.num)</code></td>
<td class="org-left">basis set shell for each AO</td>
<td class="org-left">Basis set shell for each AO</td>
</tr>
<tr>
<td class="org-left"><code>normalization</code></td>
<td class="org-left"><code>float</code></td>
<td class="org-left"><code>(ao.num)</code></td>
<td class="org-left">Normalization factors</td>
<td class="org-left">Normalization factor \(\mathcal{N}_i\)</td>
</tr>
</tbody>
</table>
</div>
<div id="outline-container-org202d247" class="outline-4">
<div id="outline-container-org6d99b2f" class="outline-4">
<h4 id="ao_one_e"><span class="section-number-4">4.1.1</span> One-electron integrals (<code>ao_1e_int</code> group)</h4>
<div class="outline-text-4" id="text-ao_one_e">
<ul class="org-ul">
@ -1656,7 +1656,7 @@ The one-electron integrals for a one-electron operator \(\hat{O}\) are
over atomic orbitals.
</p>
<table id="orgc5fc351" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgf853313" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1751,7 +1751,7 @@ over atomic orbitals.
</div>
</div>
<div id="outline-container-orga5337b0" class="outline-4">
<div id="outline-container-org32ad587" class="outline-4">
<h4 id="ao_two_e"><span class="section-number-4">4.1.2</span> Two-electron integrals (<code>ao_2e_int</code> group)</h4>
<div class="outline-text-4" id="text-ao_two_e">
<p>
@ -1783,7 +1783,7 @@ The Cholesky decomposition of the integrals can also be stored:
\]
</p>
<table id="org173f242" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgb29e049" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1815,7 +1815,7 @@ The Cholesky decomposition of the integrals can also be stored:
<td class="org-left"><code>eri_lr</code></td>
<td class="org-left"><code>float sparse</code></td>
<td class="org-left"><code>(ao.num, ao.num, ao.num, ao.num)</code></td>
<td class="org-left">Long-range Electron repulsion integrals</td>
<td class="org-left">Long-range electron repulsion integrals</td>
</tr>
<tr>
@ -1851,10 +1851,10 @@ The Cholesky decomposition of the integrals can also be stored:
</div>
</div>
<div id="outline-container-org3bc5f59" class="outline-3">
<h3 id="org3bc5f59"><span class="section-number-3">4.2</span> Molecular orbitals (mo group)</h3>
<div id="outline-container-org974e7a7" class="outline-3">
<h3 id="org974e7a7"><span class="section-number-3">4.2</span> Molecular orbitals (mo group)</h3>
<div class="outline-text-3" id="text-4-2">
<table id="org588d643" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org03d0101" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1941,8 +1941,8 @@ The Cholesky decomposition of the integrals can also be stored:
</table>
</div>
<div id="outline-container-orga317863" class="outline-4">
<h4 id="orga317863"><span class="section-number-4">4.2.1</span> One-electron integrals (<code>mo_1e_int</code> group)</h4>
<div id="outline-container-org8e8c832" class="outline-4">
<h4 id="org8e8c832"><span class="section-number-4">4.2.1</span> One-electron integrals (<code>mo_1e_int</code> group)</h4>
<div class="outline-text-4" id="text-4-2-1">
<p>
The operators as the same as those defined in the
@ -1950,7 +1950,7 @@ The operators as the same as those defined in the
the basis of molecular orbitals.
</p>
<table id="org69b542d" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org7ca932c" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -2045,8 +2045,8 @@ the basis of molecular orbitals.
</div>
</div>
<div id="outline-container-org504572a" class="outline-4">
<h4 id="org504572a"><span class="section-number-4">4.2.2</span> Two-electron integrals (<code>mo_2e_int</code> group)</h4>
<div id="outline-container-orge9d01be" class="outline-4">
<h4 id="orge9d01be"><span class="section-number-4">4.2.2</span> Two-electron integrals (<code>mo_2e_int</code> group)</h4>
<div class="outline-text-4" id="text-4-2-2">
<p>
The operators are the same as those defined in the
@ -2054,7 +2054,7 @@ The operators are the same as those defined in the
the basis of molecular orbitals.
</p>
<table id="org3aab7ce" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org60eab8d" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -2086,7 +2086,7 @@ the basis of molecular orbitals.
<td class="org-left"><code>eri_lr</code></td>
<td class="org-left"><code>float sparse</code></td>
<td class="org-left"><code>(mo.num, mo.num, mo.num, mo.num)</code></td>
<td class="org-left">Long-range Electron repulsion integrals</td>
<td class="org-left">Long-range electron repulsion integrals</td>
</tr>
<tr>
@ -2123,12 +2123,12 @@ the basis of molecular orbitals.
</div>
</div>
<div id="outline-container-org3902688" class="outline-2">
<h2 id="org3902688"><span class="section-number-2">5</span> Multi-determinant information</h2>
<div id="outline-container-org418b92b" class="outline-2">
<h2 id="org418b92b"><span class="section-number-2">5</span> Multi-determinant information</h2>
<div class="outline-text-2" id="text-5">
</div>
<div id="outline-container-org08663a4" class="outline-3">
<h3 id="org08663a4"><span class="section-number-3">5.1</span> Slater determinants (determinant group)</h3>
<div id="outline-container-org01d223e" class="outline-3">
<h3 id="org01d223e"><span class="section-number-3">5.1</span> Slater determinants (determinant group)</h3>
<div class="outline-text-3" id="text-5-1">
<p>
The configuration interaction (CI) wave function \(\Psi\)
@ -2170,7 +2170,7 @@ produced by the code generator.
An illustration on how to read determinants is presented in the <a href="./examples.html">examples</a>.
</p>
<table id="orgbdc4e91" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org8a9e095" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -2216,8 +2216,8 @@ An illustration on how to read determinants is presented in the <a href="./examp
</div>
</div>
<div id="outline-container-org34beca9" class="outline-3">
<h3 id="org34beca9"><span class="section-number-3">5.2</span> Configuration state functions (csf group)</h3>
<div id="outline-container-org0193754" class="outline-3">
<h3 id="org0193754"><span class="section-number-3">5.2</span> Configuration state functions (csf group)</h3>
<div class="outline-text-3" id="text-5-2">
<p>
The configuration interaction (CI) wave function \(\Psi\) can be
@ -2239,7 +2239,7 @@ matrix \(\langle D_I | \psi_J \rangle\) needed to project the CSFs in
the basis of Slater determinants.
</p>
<table id="org98ae853" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgda40a73" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -2285,8 +2285,8 @@ the basis of Slater determinants.
</div>
</div>
<div id="outline-container-orgdd8d096" class="outline-3">
<h3 id="orgdd8d096"><span class="section-number-3">5.3</span> Amplitudes (amplitude group)</h3>
<div id="outline-container-org416b269" class="outline-3">
<h3 id="org416b269"><span class="section-number-3">5.3</span> Amplitudes (amplitude group)</h3>
<div class="outline-text-3" id="text-5-3">
<p>
The wave function may be expressed in terms of action of the cluster
@ -2357,7 +2357,7 @@ The order of the indices is chosen such that
<li>\(\dots\)</li>
</ul>
<table id="orgac49339" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org5c1d1b9" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -2438,8 +2438,8 @@ The order of the indices is chosen such that
</div>
</div>
<div id="outline-container-org12fe87d" class="outline-3">
<h3 id="org12fe87d"><span class="section-number-3">5.4</span> Reduced density matrices (rdm group)</h3>
<div id="outline-container-org87fe807" class="outline-3">
<h3 id="org87fe807"><span class="section-number-3">5.4</span> Reduced density matrices (rdm group)</h3>
<div class="outline-text-3" id="text-5-4">
<p>
The reduced density matrices are defined in the basis of molecular
@ -2514,7 +2514,7 @@ expressed in a basis of a one-electron function
\(g_{ik}(\mathbf{r}_1) = \phi_i(\mathbf{r}_1) \phi_k(\mathbf{r}_1)\).
</p>
<table id="org124dc04" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org367037c" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -2602,7 +2602,7 @@ expressed in a basis of a one-electron function
<td class="org-left"><code>2e_cholesky</code></td>
<td class="org-left"><code>float sparse</code></td>
<td class="org-left"><code>(mo.num, mo.num, rdm.2e_cholesky_num)</code></td>
<td class="org-left">Cholesky decomposition of the Two-body RDM (spin trace)</td>
<td class="org-left">Cholesky decomposition of the two-body RDM (spin trace)</td>
</tr>
<tr>
@ -2616,7 +2616,7 @@ expressed in a basis of a one-electron function
<td class="org-left"><code>2e_upup_cholesky</code></td>
<td class="org-left"><code>float sparse</code></td>
<td class="org-left"><code>(mo.num, mo.num, rdm.2e_upup_cholesky_num)</code></td>
<td class="org-left">Cholesky decomposition of the Two-body RDM (&uarr;&uarr;)</td>
<td class="org-left">Cholesky decomposition of the two-body RDM (&uarr;&uarr;)</td>
</tr>
<tr>
@ -2630,7 +2630,7 @@ expressed in a basis of a one-electron function
<td class="org-left"><code>2e_dndn_cholesky</code></td>
<td class="org-left"><code>float sparse</code></td>
<td class="org-left"><code>(mo.num, mo.num, rdm.2e_dndn_cholesky_num)</code></td>
<td class="org-left">Cholesky decomposition of the Two-body RDM (&darr;&darr;)</td>
<td class="org-left">Cholesky decomposition of the two-body RDM (&darr;&darr;)</td>
</tr>
<tr>
@ -2644,7 +2644,7 @@ expressed in a basis of a one-electron function
<td class="org-left"><code>2e_updn_cholesky</code></td>
<td class="org-left"><code>float sparse</code></td>
<td class="org-left"><code>(mo.num, mo.num, rdm.2e_updn_cholesky_num)</code></td>
<td class="org-left">Cholesky decomposition of the Two-body RDM (&uarr;&darr;)</td>
<td class="org-left">Cholesky decomposition of the two-body RDM (&uarr;&darr;)</td>
</tr>
<tr>
@ -2658,7 +2658,7 @@ expressed in a basis of a one-electron function
<td class="org-left"><code>2e_dnup_cholesky</code></td>
<td class="org-left"><code>float sparse</code></td>
<td class="org-left"><code>(mo.num, mo.num, rdm.2e_dnup_cholesky_num)</code></td>
<td class="org-left">Cholesky decomposition of the Two-body RDM (&darr;&uarr;)</td>
<td class="org-left">Cholesky decomposition of the two-body RDM (&darr;&uarr;)</td>
</tr>
</tbody>
</table>
@ -2666,12 +2666,12 @@ expressed in a basis of a one-electron function
</div>
</div>
<div id="outline-container-org705019a" class="outline-2">
<h2 id="org705019a"><span class="section-number-2">6</span> Correlation factors</h2>
<div id="outline-container-orgdab52dd" class="outline-2">
<h2 id="orgdab52dd"><span class="section-number-2">6</span> Correlation factors</h2>
<div class="outline-text-2" id="text-6">
</div>
<div id="outline-container-org320793f" class="outline-3">
<h3 id="org320793f"><span class="section-number-3">6.1</span> Jastrow factor (jastrow group)</h3>
<div id="outline-container-org2e8031e" class="outline-3">
<h3 id="org2e8031e"><span class="section-number-3">6.1</span> Jastrow factor (jastrow group)</h3>
<div class="outline-text-3" id="text-6-1">
<p>
The Jastrow factor is an $N$-electron function to which the CI
@ -2696,8 +2696,8 @@ following:
</ul>
</div>
<div id="outline-container-orgae1b3d1" class="outline-4">
<h4 id="orgae1b3d1"><span class="section-number-4">6.1.1</span> CHAMP</h4>
<div id="outline-container-org9e0002e" class="outline-4">
<h4 id="org9e0002e"><span class="section-number-4">6.1.1</span> CHAMP</h4>
<div class="outline-text-4" id="text-6-1-1">
<p>
The first form of Jastrow factor is the one used in
@ -2774,8 +2774,8 @@ The terms \(J_{\text{ee}}^\infty\) and \(J_{\text{eN}}^\infty\) are shifts to en
</div>
</div>
<div id="outline-container-org9909f84" class="outline-4">
<h4 id="org9909f84"><span class="section-number-4">6.1.2</span> Mu</h4>
<div id="outline-container-org1f5142f" class="outline-4">
<h4 id="org1f5142f"><span class="section-number-4">6.1.2</span> Mu</h4>
<div class="outline-text-4" id="text-6-1-2">
<p>
<a href="https://aip.scitation.org/doi/10.1063/5.0044683">Mu-Jastrow</a> is based on a one-parameter correlation factor that has
@ -2872,10 +2872,10 @@ The parameter \(\mu\) is stored in the <code>ee</code> array, the parameters
</div>
</div>
<div id="outline-container-org84472dc" class="outline-4">
<h4 id="org84472dc"><span class="section-number-4">6.1.3</span> Table of values</h4>
<div id="outline-container-org9af8bbb" class="outline-4">
<h4 id="org9af8bbb"><span class="section-number-4">6.1.3</span> Table of values</h4>
<div class="outline-text-4" id="text-6-1-3">
<table id="orgc525af1" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgf1238cc" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -2979,8 +2979,8 @@ The parameter \(\mu\) is stored in the <code>ee</code> array, the parameters
</div>
</div>
<div id="outline-container-org36923e1" class="outline-2">
<h2 id="org36923e1"><span class="section-number-2">7</span> Quantum Monte Carlo data (qmc group)</h2>
<div id="outline-container-orgabc6f85" class="outline-2">
<h2 id="orgabc6f85"><span class="section-number-2">7</span> Quantum Monte Carlo data (qmc group)</h2>
<div class="outline-text-2" id="text-7">
<p>
In quantum Monte Carlo calculations, the wave function is evaluated
@ -2994,7 +2994,7 @@ By convention, the electron coordinates contain first all the electrons
of $&uarr;$-spin and then all the $&darr;$-spin.
</p>
<table id="org46d8926" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org076b0eb" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -3049,7 +3049,7 @@ of $&uarr;$-spin and then all the $&darr;$-spin.
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2023-01-11 Wed 18:35</p>
<p class="date">Created: 2023-01-13 Fri 14:48</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>