mirror of
https://github.com/LCPQ/quantum_package
synced 2024-08-25 05:51:46 +02:00
426 lines
15 KiB
Fortran
426 lines
15 KiB
Fortran
BEGIN_PROVIDER [double precision, corr_energy_2h2p_per_orb_ab, (mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h2p_ab_2_orb, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h2p_bb_2_orb, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h2p_for_1h1p_a, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h2p_for_1h1p_b, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h2p_for_1h1p_double, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h2p_per_orb_aa, (mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h2p_per_orb_bb, (mo_tot_num)]
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&BEGIN_PROVIDER [ double precision, total_corr_e_2h2p]
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use bitmasks
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print*,''
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print*,'Providing the 2h2p correlation energy'
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print*,''
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implicit none
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integer(bit_kind) :: key_tmp(N_int,2)
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integer :: i,j,k,l
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integer :: i_hole,j_hole,k_part,l_part
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double precision :: get_mo_bielec_integral_schwartz,hij,delta_e,exc,contrib
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double precision :: diag_H_mat_elem
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integer :: i_ok,ispin
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! Alpha - Beta correlation energy
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total_corr_e_2h2p = 0.d0
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corr_energy_2h2p_ab_2_orb = 0.d0
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corr_energy_2h2p_bb_2_orb = 0.d0
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corr_energy_2h2p_per_orb_ab = 0.d0
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corr_energy_2h2p_per_orb_aa = 0.d0
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corr_energy_2h2p_per_orb_bb = 0.d0
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corr_energy_2h2p_for_1h1p_a = 0.d0
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corr_energy_2h2p_for_1h1p_b = 0.d0
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corr_energy_2h2p_for_1h1p_double = 0.d0
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do i = 1, n_inact_orb ! beta
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i_hole = list_inact(i)
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do k = 1, n_virt_orb ! beta
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k_part = list_virt(k)
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do j = 1, n_inact_orb ! alpha
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j_hole = list_inact(j)
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do l = 1, n_virt_orb ! alpha
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l_part = list_virt(l)
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key_tmp = ref_bitmask
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ispin = 2
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call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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ispin = 1
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call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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delta_e = (ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
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hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
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contrib = hij*hij/delta_e
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total_corr_e_2h2p += contrib
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! Single orbital contribution
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corr_energy_2h2p_per_orb_ab(i_hole) += contrib
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corr_energy_2h2p_per_orb_ab(k_part) += contrib
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! Couple of orbital contribution for the single 1h1p
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corr_energy_2h2p_for_1h1p_a(j_hole,l_part) += contrib
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corr_energy_2h2p_for_1h1p_a(l_part,j_hole) += contrib
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corr_energy_2h2p_for_1h1p_b(j_hole,l_part) += contrib
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corr_energy_2h2p_for_1h1p_b(l_part,j_hole) += contrib
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! Couple of orbital contribution for the double 1h1p
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corr_energy_2h2p_for_1h1p_double(i_hole,l_part) += contrib
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corr_energy_2h2p_for_1h1p_double(l_part,i_hole) += contrib
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corr_energy_2h2p_ab_2_orb(i_hole,j_hole) += contrib
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corr_energy_2h2p_ab_2_orb(j_hole,i_hole) += contrib
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corr_energy_2h2p_ab_2_orb(i_hole,k_part) += contrib
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corr_energy_2h2p_ab_2_orb(k_part,i_hole) += contrib
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corr_energy_2h2p_ab_2_orb(k_part,l_part) += contrib
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corr_energy_2h2p_ab_2_orb(l_part,k_part) += contrib
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enddo
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enddo
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enddo
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enddo
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! alpha alpha correlation energy
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do i = 1, n_inact_orb
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i_hole = list_inact(i)
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do j = i+1, n_inact_orb
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j_hole = list_inact(j)
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do k = 1, n_virt_orb
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k_part = list_virt(k)
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do l = k+1,n_virt_orb
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l_part = list_virt(l)
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hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
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exc = get_mo_bielec_integral_schwartz(i_hole,j_hole,l_part,k_part,mo_integrals_map)
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key_tmp = ref_bitmask
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ispin = 1
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call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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ispin = 1
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call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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delta_e = -(ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
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hij = hij - exc
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contrib = 0.5d0 * (delta_e - dsqrt(delta_e * delta_e + 4.d0 * hij*hij))
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total_corr_e_2h2p += contrib
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! Single orbital contribution
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corr_energy_2h2p_per_orb_aa(i_hole) += contrib
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corr_energy_2h2p_per_orb_aa(k_part) += contrib
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! Couple of orbital contribution for the single 1h1p
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corr_energy_2h2p_for_1h1p_a(i_hole,k_part) += contrib
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corr_energy_2h2p_for_1h1p_a(k_part,i_hole) += contrib
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enddo
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enddo
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enddo
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enddo
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! beta beta correlation energy
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do i = 1, n_inact_orb
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i_hole = list_inact(i)
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do j = i+1, n_inact_orb
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j_hole = list_inact(j)
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do k = 1, n_virt_orb
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k_part = list_virt(k)
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do l = k+1,n_virt_orb
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l_part = list_virt(l)
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hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
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exc = get_mo_bielec_integral_schwartz(i_hole,j_hole,l_part,k_part,mo_integrals_map)
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key_tmp = ref_bitmask
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ispin = 2
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call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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ispin = 2
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call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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delta_e = -(ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
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hij = hij - exc
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contrib = 0.5d0 * (delta_e - dsqrt(delta_e * delta_e + 4.d0 * hij*hij))
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total_corr_e_2h2p += contrib
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! Single orbital contribution
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corr_energy_2h2p_per_orb_bb(i_hole) += contrib
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corr_energy_2h2p_per_orb_bb(k_part) += contrib
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corr_energy_2h2p_for_1h1p_b(i_hole,k_part) += contrib
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corr_energy_2h2p_for_1h1p_b(k_part,i_hole) += contrib
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! Two particle correlation energy
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corr_energy_2h2p_bb_2_orb(i_hole,j_hole) += contrib
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corr_energy_2h2p_bb_2_orb(j_hole,i_hole) += contrib
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corr_energy_2h2p_bb_2_orb(i_hole,k_part) += contrib
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corr_energy_2h2p_bb_2_orb(k_part,i_hole) += contrib
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corr_energy_2h2p_bb_2_orb(k_part,l_part) += contrib
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corr_energy_2h2p_bb_2_orb(l_part,k_part) += contrib
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enddo
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enddo
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enddo
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enddo
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END_PROVIDER
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BEGIN_PROVIDER [double precision, corr_energy_2h1p_ab_bb_per_2_orb, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h1p_for_1h1p_a, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h1p_for_1h1p_b, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h1p_for_1h1p_double, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h1p_per_orb_ab, (mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h1p_per_orb_aa, (mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_2h1p_per_orb_bb, (mo_tot_num)]
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&BEGIN_PROVIDER [ double precision, total_corr_e_2h1p]
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use bitmasks
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implicit none
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integer(bit_kind) :: key_tmp(N_int,2)
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integer :: i,j,k,l
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integer :: i_hole,j_hole,k_part,l_part
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double precision :: get_mo_bielec_integral_schwartz,hij,delta_e,exc,contrib
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double precision :: diag_H_mat_elem
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integer :: i_ok,ispin
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! Alpha - Beta correlation energy
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total_corr_e_2h1p = 0.d0
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corr_energy_2h1p_per_orb_ab = 0.d0
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corr_energy_2h1p_per_orb_aa = 0.d0
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corr_energy_2h1p_per_orb_bb = 0.d0
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corr_energy_2h1p_ab_bb_per_2_orb = 0.d0
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corr_energy_2h1p_for_1h1p_a = 0.d0
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corr_energy_2h1p_for_1h1p_b = 0.d0
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corr_energy_2h1p_for_1h1p_double = 0.d0
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do i = 1, n_inact_orb
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i_hole = list_inact(i)
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do k = 1, n_act_orb
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k_part = list_act(k)
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do j = 1, n_inact_orb
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j_hole = list_inact(j)
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do l = 1, n_virt_orb
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l_part = list_virt(l)
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key_tmp = ref_bitmask
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ispin = 2
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call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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ispin = 1
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call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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delta_e = -(ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
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hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
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contrib = 0.5d0 * (delta_e - dsqrt(delta_e * delta_e + 4.d0 * hij*hij))
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total_corr_e_2h1p += contrib
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corr_energy_2h1p_ab_bb_per_2_orb(i_hole,j_hole) += contrib
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corr_energy_2h1p_per_orb_ab(i_hole) += contrib
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corr_energy_2h1p_per_orb_ab(l_part) += contrib
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enddo
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enddo
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enddo
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enddo
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! Alpha Alpha spin correlation energy
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do i = 1, n_inact_orb
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i_hole = list_inact(i)
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do j = i+1, n_inact_orb
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j_hole = list_inact(j)
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do k = 1, n_act_orb
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k_part = list_act(k)
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do l = 1,n_virt_orb
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l_part = list_virt(l)
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hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
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exc = get_mo_bielec_integral_schwartz(i_hole,j_hole,l_part,k_part,mo_integrals_map)
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key_tmp = ref_bitmask
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ispin = 1
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call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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ispin = 1
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call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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delta_e = -(ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
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hij = hij - exc
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contrib = 0.5d0 * (delta_e - dsqrt(delta_e * delta_e + 4.d0 * hij*hij))
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total_corr_e_2h1p += contrib
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corr_energy_2h1p_per_orb_aa(i_hole) += contrib
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corr_energy_2h1p_per_orb_aa(l_part) += contrib
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enddo
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enddo
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enddo
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enddo
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! Beta Beta correlation energy
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do i = 1, n_inact_orb
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i_hole = list_inact(i)
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do j = i+1, n_inact_orb
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j_hole = list_inact(j)
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do k = 1, n_act_orb
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k_part = list_act(k)
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do l = 1,n_virt_orb
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l_part = list_virt(l)
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hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
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exc = get_mo_bielec_integral_schwartz(i_hole,j_hole,l_part,k_part,mo_integrals_map)
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key_tmp = ref_bitmask
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ispin = 2
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call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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ispin = 2
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call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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delta_e = -(ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
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hij = hij - exc
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contrib = 0.5d0 * (delta_e - dsqrt(delta_e * delta_e + 4.d0 * hij*hij))
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corr_energy_2h1p_ab_bb_per_2_orb(i_hole,j_hole) += contrib
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total_corr_e_2h1p += contrib
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corr_energy_2h1p_per_orb_bb(i_hole) += contrib
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corr_energy_2h1p_per_orb_aa(l_part) += contrib
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enddo
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enddo
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enddo
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enddo
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END_PROVIDER
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BEGIN_PROVIDER [double precision, corr_energy_1h2p_per_orb_ab, (mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_1h2p_two_orb, (mo_tot_num,mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_1h2p_per_orb_aa, (mo_tot_num)]
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&BEGIN_PROVIDER [double precision, corr_energy_1h2p_per_orb_bb, (mo_tot_num)]
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&BEGIN_PROVIDER [ double precision, total_corr_e_1h2p]
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use bitmasks
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implicit none
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integer(bit_kind) :: key_tmp(N_int,2)
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integer :: i,j,k,l
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integer :: i_hole,j_hole,k_part,l_part
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double precision :: get_mo_bielec_integral_schwartz,hij,delta_e,exc,contrib
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double precision :: diag_H_mat_elem
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integer :: i_ok,ispin
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! Alpha - Beta correlation energy
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total_corr_e_1h2p = 0.d0
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corr_energy_1h2p_per_orb_ab = 0.d0
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corr_energy_1h2p_per_orb_aa = 0.d0
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corr_energy_1h2p_per_orb_bb = 0.d0
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do i = 1, n_virt_orb
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i_hole = list_virt(i)
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do k = 1, n_act_orb
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k_part = list_act(k)
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do j = 1, n_inact_orb
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j_hole = list_inact(j)
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do l = 1, n_virt_orb
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l_part = list_virt(l)
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key_tmp = ref_bitmask
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ispin = 2
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call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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ispin = 1
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call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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delta_e = -(ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
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hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
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contrib = 0.5d0 * (delta_e - dsqrt(delta_e * delta_e + 4.d0 * hij*hij))
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total_corr_e_1h2p += contrib
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corr_energy_1h2p_per_orb_ab(i_hole) += contrib
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corr_energy_1h2p_per_orb_ab(j_hole) += contrib
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corr_energy_1h2p_two_orb(k_part,l_part) += contrib
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corr_energy_1h2p_two_orb(l_part,k_part) += contrib
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enddo
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enddo
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enddo
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enddo
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! Alpha Alpha correlation energy
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do i = 1, n_virt_orb
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i_hole = list_virt(i)
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do j = 1, n_inact_orb
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j_hole = list_inact(j)
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do k = 1, n_act_orb
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k_part = list_act(k)
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do l = i+1,n_virt_orb
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l_part = list_virt(l)
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hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
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exc = get_mo_bielec_integral_schwartz(i_hole,j_hole,l_part,k_part,mo_integrals_map)
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key_tmp = ref_bitmask
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ispin = 1
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call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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ispin = 1
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call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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delta_e = -(ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
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hij = hij - exc
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contrib = 0.5d0 * (delta_e - dsqrt(delta_e * delta_e + 4.d0 * hij*hij))
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total_corr_e_1h2p += contrib
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corr_energy_1h2p_per_orb_aa(i_hole) += contrib
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corr_energy_1h2p_per_orb_ab(j_hole) += contrib
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corr_energy_1h2p_two_orb(k_part,l_part) += contrib
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corr_energy_1h2p_two_orb(l_part,k_part) += contrib
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enddo
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enddo
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enddo
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enddo
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! Beta Beta correlation energy
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do i = 1, n_virt_orb
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i_hole = list_virt(i)
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do j = 1, n_inact_orb
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j_hole = list_inact(j)
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do k = 1, n_act_orb
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k_part = list_act(k)
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do l = i+1,n_virt_orb
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l_part = list_virt(l)
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hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
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exc = get_mo_bielec_integral_schwartz(i_hole,j_hole,l_part,k_part,mo_integrals_map)
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|
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key_tmp = ref_bitmask
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ispin = 2
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call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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ispin = 2
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call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
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if(i_ok .ne.1)cycle
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delta_e = -(ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
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hij = hij - exc
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contrib = 0.5d0 * (delta_e - dsqrt(delta_e * delta_e + 4.d0 * hij*hij))
|
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total_corr_e_1h2p += contrib
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corr_energy_1h2p_per_orb_bb(i_hole) += contrib
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corr_energy_1h2p_per_orb_ab(j_hole) += contrib
|
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corr_energy_1h2p_two_orb(k_part,l_part) += contrib
|
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corr_energy_1h2p_two_orb(l_part,k_part) += contrib
|
|
enddo
|
|
enddo
|
|
enddo
|
|
enddo
|
|
|
|
END_PROVIDER
|
|
|
|
BEGIN_PROVIDER [double precision, corr_energy_1h1p_spin_flip_per_orb, (mo_tot_num)]
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&BEGIN_PROVIDER [ double precision, total_corr_e_1h1p_spin_flip]
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use bitmasks
|
|
implicit none
|
|
integer(bit_kind) :: key_tmp(N_int,2)
|
|
integer :: i,j,k,l
|
|
integer :: i_hole,j_hole,k_part,l_part
|
|
double precision :: get_mo_bielec_integral_schwartz,hij,delta_e,exc,contrib
|
|
double precision :: diag_H_mat_elem
|
|
integer :: i_ok,ispin
|
|
! Alpha - Beta correlation energy
|
|
total_corr_e_1h1p_spin_flip = 0.d0
|
|
corr_energy_1h1p_spin_flip_per_orb = 0.d0
|
|
do i = 1, n_inact_orb
|
|
i_hole = list_inact(i)
|
|
do k = 1, n_act_orb
|
|
k_part = list_act(k)
|
|
do j = 1, n_act_orb
|
|
j_hole = list_act(j)
|
|
do l = 1, n_virt_orb
|
|
l_part = list_virt(l)
|
|
|
|
key_tmp = ref_bitmask
|
|
ispin = 2
|
|
call do_mono_excitation(key_tmp,i_hole,k_part,ispin,i_ok)
|
|
if(i_ok .ne.1)cycle
|
|
ispin = 1
|
|
call do_mono_excitation(key_tmp,j_hole,l_part,ispin,i_ok)
|
|
if(i_ok .ne.1)cycle
|
|
delta_e = -(ref_bitmask_energy - diag_H_mat_elem(key_tmp,N_int))
|
|
|
|
hij = get_mo_bielec_integral_schwartz(i_hole,j_hole,k_part,l_part,mo_integrals_map)
|
|
contrib = 0.5d0 * (delta_e - dsqrt(delta_e * delta_e + 4.d0 * hij*hij))
|
|
|
|
total_corr_e_1h1p_spin_flip += contrib
|
|
corr_energy_1h1p_spin_flip_per_orb(i_hole) += contrib
|
|
enddo
|
|
enddo
|
|
enddo
|
|
enddo
|
|
|
|
END_PROVIDER
|