10
0
mirror of https://github.com/LCPQ/quantum_package synced 2024-11-03 20:54:00 +01:00
quantum_package/plugins/Full_CI_ZMQ/energy.irp.f

24 lines
721 B
Fortran

BEGIN_PROVIDER [ logical, initialize_pt2_E0_denominator ]
implicit none
BEGIN_DOC
! If true, initialize pt2_E0_denominator
END_DOC
initialize_pt2_E0_denominator = .True.
END_PROVIDER
BEGIN_PROVIDER [ double precision, pt2_E0_denominator, (N_states) ]
implicit none
BEGIN_DOC
! E0 in the denominator of the PT2
END_DOC
if (initialize_pt2_E0_denominator) then
pt2_E0_denominator(1:N_states) = psi_energy(1:N_states)
! pt2_E0_denominator(1:N_states) = HF_energy - nuclear_repulsion
! pt2_E0_denominator(1:N_states) = barycentric_electronic_energy(1:N_states)
call write_double(6,pt2_E0_denominator(1)+nuclear_repulsion, 'PT2 Energy denominator')
else
pt2_E0_denominator = -huge(1.d0)
endif
END_PROVIDER