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quantum_package/docs/source/modules/mo_one_e_ints.rst
2019-01-09 19:16:58 +01:00

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.. _mo_one_e_ints:
.. program:: mo_one_e_ints
.. default-role:: option
==================
mo_one_e_integrals
==================
All the one-electron integrals in |MO| basis are defined here.
The most important providers for usual quantum-chemistry calculation are:
* `mo_kinetic_integrals` which are the kinetic operator integrals on the |AO| basis (see :file:`kin_mo_ints.irp.f`)
* `mo_integrals_n_e` which are the nuclear-elctron operator integrals on the |AO| basis (see :file:`pot_mo_ints.irp.f`)
* `mo_one_e_integrals` which are the the h_core operator integrals on the |AO| basis (see :file:`mo_mono_ints.irp.f`)
Note that you can find other interesting integrals related to the position operator in :file:`spread_dipole_mo.irp.f`.
EZFIO parameters
----------------
.. option:: mo_integrals_e_n
Nucleus-electron integrals in |MO| basis set
.. option:: io_mo_integrals_e_n
Read/Write |MO| electron-nucleus attraction integrals from/to disk [ Write | Read | None ]
Default: None
.. option:: mo_integrals_kinetic
Kinetic energy integrals in |MO| basis set
.. option:: io_mo_integrals_kinetic
Read/Write |MO| one-electron kinetic integrals from/to disk [ Write | Read | None ]
Default: None
.. option:: mo_integrals_pseudo
Pseudopotential integrals in |MO| basis set
.. option:: io_mo_integrals_pseudo
Read/Write |MO| pseudopotential integrals from/to disk [ Write | Read | None ]
Default: None
.. option:: mo_one_e_integrals
One-electron integrals in |MO| basis set
.. option:: io_mo_one_e_integrals
Read/Write |MO| one-electron integrals from/to disk [ Write | Read | None ]
Default: None
Providers
---------
.. c:var:: mo_dipole_x
.. code:: text
double precision, allocatable :: mo_dipole_x (mo_num,mo_num)
double precision, allocatable :: mo_dipole_y (mo_num,mo_num)
double precision, allocatable :: mo_dipole_z (mo_num,mo_num)
File: :file:`spread_dipole_mo.irp.f`
array of the integrals of MO_i * x MO_j array of the integrals of MO_i * y MO_j array of the integrals of MO_i * z MO_j
.. c:var:: mo_dipole_y
.. code:: text
double precision, allocatable :: mo_dipole_x (mo_num,mo_num)
double precision, allocatable :: mo_dipole_y (mo_num,mo_num)
double precision, allocatable :: mo_dipole_z (mo_num,mo_num)
File: :file:`spread_dipole_mo.irp.f`
array of the integrals of MO_i * x MO_j array of the integrals of MO_i * y MO_j array of the integrals of MO_i * z MO_j
.. c:var:: mo_dipole_z
.. code:: text
double precision, allocatable :: mo_dipole_x (mo_num,mo_num)
double precision, allocatable :: mo_dipole_y (mo_num,mo_num)
double precision, allocatable :: mo_dipole_z (mo_num,mo_num)
File: :file:`spread_dipole_mo.irp.f`
array of the integrals of MO_i * x MO_j array of the integrals of MO_i * y MO_j array of the integrals of MO_i * z MO_j
.. c:var:: mo_integrals_n_e
.. code:: text
double precision, allocatable :: mo_integrals_n_e (mo_num,mo_num)
File: :file:`pot_mo_ints.irp.f`
Nucleus-electron interaction on the |MO| basis
.. c:var:: mo_integrals_n_e_per_atom
.. code:: text
double precision, allocatable :: mo_integrals_n_e_per_atom (mo_num,mo_num,nucl_num)
File: :file:`pot_mo_ints.irp.f`
mo_integrals_n_e_per_atom(i,j,k) = :math:`\langle \phi_i| -\frac{1}{|r-R_k|} | \phi_j \rangle` . where R_k is the coordinate of the k-th nucleus.
.. c:var:: mo_kinetic_integrals
.. code:: text
double precision, allocatable :: mo_kinetic_integrals (mo_num,mo_num)
File: :file:`kin_mo_ints.irp.f`
Kinetic energy integrals in the MO basis
.. c:var:: mo_one_e_integrals
.. code:: text
double precision, allocatable :: mo_one_e_integrals (mo_num,mo_num)
File: :file:`mo_one_e_ints.irp.f`
array of the mono electronic hamiltonian on the MOs basis : sum of the kinetic and nuclear electronic potential (and pseudo potential if needed)
.. c:var:: mo_overlap
.. code:: text
double precision, allocatable :: mo_overlap (mo_num,mo_num)
File: :file:`mo_overlap.irp.f`
Provider to check that the MOs are indeed orthonormal.
.. c:var:: mo_pseudo_integrals
.. code:: text
double precision, allocatable :: mo_pseudo_integrals (mo_num,mo_num)
File: :file:`pot_mo_pseudo_ints.irp.f`
Pseudopotential integrals in |MO| basis
.. c:var:: mo_spread_x
.. code:: text
double precision, allocatable :: mo_spread_x (mo_num,mo_num)
double precision, allocatable :: mo_spread_y (mo_num,mo_num)
double precision, allocatable :: mo_spread_z (mo_num,mo_num)
File: :file:`spread_dipole_mo.irp.f`
array of the integrals of MO_i * x^2 MO_j array of the integrals of MO_i * y^2 MO_j array of the integrals of MO_i * z^2 MO_j
.. c:var:: mo_spread_y
.. code:: text
double precision, allocatable :: mo_spread_x (mo_num,mo_num)
double precision, allocatable :: mo_spread_y (mo_num,mo_num)
double precision, allocatable :: mo_spread_z (mo_num,mo_num)
File: :file:`spread_dipole_mo.irp.f`
array of the integrals of MO_i * x^2 MO_j array of the integrals of MO_i * y^2 MO_j array of the integrals of MO_i * z^2 MO_j
.. c:var:: mo_spread_z
.. code:: text
double precision, allocatable :: mo_spread_x (mo_num,mo_num)
double precision, allocatable :: mo_spread_y (mo_num,mo_num)
double precision, allocatable :: mo_spread_z (mo_num,mo_num)
File: :file:`spread_dipole_mo.irp.f`
array of the integrals of MO_i * x^2 MO_j array of the integrals of MO_i * y^2 MO_j array of the integrals of MO_i * z^2 MO_j
.. c:var:: s_mo_coef
.. code:: text
double precision, allocatable :: s_mo_coef (ao_num,mo_num)
File: :file:`ao_to_mo.irp.f`
Product S.C where S is the overlap matrix in the AO basis and C the mo_coef matrix.
Subroutines / functions
-----------------------
.. c:function:: mo_to_ao
.. code:: text
subroutine mo_to_ao(A_mo,LDA_mo,A_ao,LDA_ao)
File: :file:`ao_to_mo.irp.f`
Transform A from the MO basis to the AO basis
:math:`(S.C).A_{mo}.(S.C)^\dagger`
.. c:function:: mo_to_ao_no_overlap
.. code:: text
subroutine mo_to_ao_no_overlap(A_mo,LDA_mo,A_ao,LDA_ao)
File: :file:`ao_to_mo.irp.f`
:math:`C.A_{mo}.C^\dagger`
.. c:function:: orthonormalize_mos
.. code:: text
subroutine orthonormalize_mos
File: :file:`orthonormalize.irp.f`