LCPQ/qp2
9
1
Fork 0
mirror of https://github.com/QuantumPackage/qp2.git synced 2024-12-21 19:13:29 +01:00
Code Releases Activity

cisd(q) only if n_elec >= 4

Browse Source
This commit is contained in:
Yann Damour 2022-05-19 11:12:39 +02:00
parent 7a67d69c0a
commit ec39cad837
1 changed files with 39 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/cisd/cisd.irp.f
View File

@ -69,7 +69,9 @@ subroutine run
do i = 1,N_states
k = maxloc(dabs(psi_coef_sorted(1:N_det,i)),dim=1)
delta_E = CI_electronic_energy(i) - diag_h_mat_elem(psi_det_sorted(1,1,k),N_int)
if (elec_alpha_num + elec_beta_num >= 4) then
cisdq(i) = CI_energy(i) + delta_E * (1.d0 - psi_coef_sorted(k,i)**2)
endif
enddo
print *, 'N_det = ', N_det
print*,''
@ -78,13 +80,16 @@ subroutine run
do i = 1,N_states
print *, i, CI_energy(i)
enddo
if (elec_alpha_num + elec_beta_num >= 4) then
print*,''
print*,'******************************'
print *, 'CISD+Q Energies'
do i = 1,N_states
print *, i, cisdq(i)
enddo
endif
if (N_states > 1) then
if (elec_alpha_num + elec_beta_num >= 4) then
print*,''
print*,'******************************'
print*,'Excitation energies (au) (CISD+Q)'
@ -98,6 +103,20 @@ subroutine run
print*, i ,(CI_energy(i) - CI_energy(1)) * ha_to_ev, &
(cisdq(i) - cisdq(1)) * ha_to_ev
enddo
else
print*,''
print*,'******************************'
print*,'Excitation energies (au) (CISD)'
do i = 2, N_states
print*, i ,CI_energy(i) - CI_energy(1)
enddo
print*,''
print*,'******************************'
print*,'Excitation energies (eV) (CISD)'
do i = 2, N_states
print*, i ,(CI_energy(i) - CI_energy(1)) * ha_to_ev
enddo
endif
endif
end