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QuantumPackage/src/ao_tc_eff_map/two_e_1bgauss_j1.irp.f

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non_h_ints compiles
2023-02-06 19:00:35 +01:00
! ---
double precision function j1b_gauss_2e_j1(i, j, k, l)
BEGIN_DOC
!
! integral in the AO basis:
! i(r1) j(r1) f(r12) k(r2) l(r2)
!
! with:
! f(r12) = - [ (0.5 - 0.5 erf(mu r12)) / r12 ] (r1-r2) \cdot \sum_A (-2 a_A) [ r1A exp(-aA r1A^2) - r2A exp(-aA r2A^2) ]
! = [ (1 - erf(mu r12) / r12 ] \sum_A a_A [ (r1-RA)^2 exp(-aA r1A^2)
! + (r2-RA)^2 exp(-aA r2A^2)
! - (r1-RA) \cdot (r2-RA) exp(-aA r1A^2)
! - (r1-RA) \cdot (r2-RA) exp(-aA r2A^2) ]
!
END_DOC
include 'utils/constants.include.F'
implicit none
integer, intent(in) :: i, j, k, l
integer :: p, q, r, s
integer :: num_i, num_j, num_k, num_l, num_ii
integer :: I_power(3), J_power(3), K_power(3), L_power(3)
integer :: iorder_p(3), iorder_q(3)
integer :: shift_P(3), shift_Q(3)
integer :: dim1
double precision :: coef1, coef2, coef3, coef4
double precision :: expo1, expo2, expo3, expo4
double precision :: P1_new(0:max_dim,3), P1_center(3), fact_p1, pp1, p1_inv
double precision :: Q1_new(0:max_dim,3), Q1_center(3), fact_q1, qq1, q1_inv
double precision :: I_center(3), J_center(3), K_center(3), L_center(3)
double precision :: ff, gg, cx, cy, cz
double precision :: j1b_gauss_2e_j1_schwartz
if( ao_prim_num(i) * ao_prim_num(j) * ao_prim_num(k) * ao_prim_num(l) > 1024 ) then
j1b_gauss_2e_j1 = j1b_gauss_2e_j1_schwartz(i, j, k, l)
return
endif
num_i = ao_nucl(i)
num_j = ao_nucl(j)
num_k = ao_nucl(k)
num_l = ao_nucl(l)
do p = 1, 3
I_power(p) = ao_power(i,p)
J_power(p) = ao_power(j,p)
K_power(p) = ao_power(k,p)
L_power(p) = ao_power(l,p)
I_center(p) = nucl_coord(num_i,p)
J_center(p) = nucl_coord(num_j,p)
K_center(p) = nucl_coord(num_k,p)
L_center(p) = nucl_coord(num_l,p)
enddo
j1b_gauss_2e_j1 = 0.d0
do p = 1, ao_prim_num(i)
coef1 = ao_coef_normalized_ordered_transp(p, i)
expo1 = ao_expo_ordered_transp(p, i)
do q = 1, ao_prim_num(j)
coef2 = coef1 * ao_coef_normalized_ordered_transp(q, j)
expo2 = ao_expo_ordered_transp(q, j)
call give_explicit_poly_and_gaussian( P1_new, P1_center, pp1, fact_p1, iorder_p, expo1, expo2 &
, I_power, J_power, I_center, J_center, dim1 )
p1_inv = 1.d0 / pp1
do r = 1, ao_prim_num(k)
coef3 = coef2 * ao_coef_normalized_ordered_transp(r, k)
expo3 = ao_expo_ordered_transp(r, k)
do s = 1, ao_prim_num(l)
coef4 = coef3 * ao_coef_normalized_ordered_transp(s, l)
expo4 = ao_expo_ordered_transp(s, l)
call give_explicit_poly_and_gaussian( Q1_new, Q1_center, qq1, fact_q1, iorder_q, expo3, expo4 &
, K_power, L_power, K_center, L_center, dim1 )
q1_inv = 1.d0 / qq1
call get_cxcycz_j1( dim1, cx, cy, cz &
, P1_center, P1_new, pp1, fact_p1, p1_inv, iorder_p &
, Q1_center, Q1_new, qq1, fact_q1, q1_inv, iorder_q )
j1b_gauss_2e_j1 = j1b_gauss_2e_j1 + coef4 * ( cx + cy + cz )
enddo ! s
enddo ! r
enddo ! q
enddo ! p
return
end function j1b_gauss_2e_j1
! ---
double precision function j1b_gauss_2e_j1_schwartz(i, j, k, l)
BEGIN_DOC
!
! integral in the AO basis:
! i(r1) j(r1) f(r12) k(r2) l(r2)
!
! with:
! f(r12) = - [ (0.5 - 0.5 erf(mu r12)) / r12 ] (r1-r2) \cdot \sum_A (-2 a_A) [ r1A exp(-aA r1A^2) - r2A exp(-aA r2A^2) ]
! = [ (1 - erf(mu r12) / r12 ] \sum_A a_A [ (r1-RA)^2 exp(-aA r1A^2)
! + (r2-RA)^2 exp(-aA r2A^2)
! - (r1-RA) \cdot (r2-RA) exp(-aA r1A^2)
! - (r1-RA) \cdot (r2-RA) exp(-aA r2A^2) ]
!
END_DOC
include 'utils/constants.include.F'
implicit none
integer, intent(in) :: i, j, k, l
integer :: p, q, r, s
integer :: num_i, num_j, num_k, num_l, num_ii
integer :: I_power(3), J_power(3), K_power(3), L_power(3)
integer :: iorder_p(3), iorder_q(3)
integer :: dim1
double precision :: coef1, coef2, coef3, coef4
double precision :: expo1, expo2, expo3, expo4
double precision :: P1_new(0:max_dim,3), P1_center(3), fact_p1, pp1, p1_inv
double precision :: Q1_new(0:max_dim,3), Q1_center(3), fact_q1, qq1, q1_inv
double precision :: I_center(3), J_center(3), K_center(3), L_center(3)
double precision :: cx, cy, cz
double precision :: schwartz_ij, thr
double precision, allocatable :: schwartz_kl(:,:)
PROVIDE j1b_pen
dim1 = n_pt_max_integrals
thr = ao_integrals_threshold * ao_integrals_threshold
num_i = ao_nucl(i)
num_j = ao_nucl(j)
num_k = ao_nucl(k)
num_l = ao_nucl(l)
do p = 1, 3
I_power(p) = ao_power(i,p)
J_power(p) = ao_power(j,p)
K_power(p) = ao_power(k,p)
L_power(p) = ao_power(l,p)
I_center(p) = nucl_coord(num_i,p)
J_center(p) = nucl_coord(num_j,p)
K_center(p) = nucl_coord(num_k,p)
L_center(p) = nucl_coord(num_l,p)
enddo
allocate( schwartz_kl(0:ao_prim_num(l) , 0:ao_prim_num(k)) )
schwartz_kl(0,0) = 0.d0
do r = 1, ao_prim_num(k)
expo3 = ao_expo_ordered_transp(r,k)
coef3 = ao_coef_normalized_ordered_transp(r,k) * ao_coef_normalized_ordered_transp(r,k)
schwartz_kl(0,r) = 0.d0
do s = 1, ao_prim_num(l)
expo4 = ao_expo_ordered_transp(s,l)
coef4 = coef3 * ao_coef_normalized_ordered_transp(s,l) * ao_coef_normalized_ordered_transp(s,l)
call give_explicit_poly_and_gaussian( Q1_new, Q1_center, qq1, fact_q1, iorder_q, expo3, expo4 &
, K_power, L_power, K_center, L_center, dim1 )
q1_inv = 1.d0 / qq1
call get_cxcycz_j1( dim1, cx, cy, cz &
, Q1_center, Q1_new, qq1, fact_q1, q1_inv, iorder_q &
, Q1_center, Q1_new, qq1, fact_q1, q1_inv, iorder_q )
schwartz_kl(s,r) = coef4 * dabs( cx + cy + cz )
schwartz_kl(0,r) = max( schwartz_kl(0,r) , schwartz_kl(s,r) )
enddo
schwartz_kl(0,0) = max( schwartz_kl(0,r) , schwartz_kl(0,0) )
enddo
j1b_gauss_2e_j1_schwartz = 0.d0
do p = 1, ao_prim_num(i)
expo1 = ao_expo_ordered_transp(p, i)
coef1 = ao_coef_normalized_ordered_transp(p, i)
do q = 1, ao_prim_num(j)
expo2 = ao_expo_ordered_transp(q, j)
coef2 = coef1 * ao_coef_normalized_ordered_transp(q, j)
call give_explicit_poly_and_gaussian( P1_new, P1_center, pp1, fact_p1, iorder_p, expo1, expo2 &
, I_power, J_power, I_center, J_center, dim1 )
p1_inv = 1.d0 / pp1
call get_cxcycz_j1( dim1, cx, cy, cz &
, P1_center, P1_new, pp1, fact_p1, p1_inv, iorder_p &
, P1_center, P1_new, pp1, fact_p1, p1_inv, iorder_p )
schwartz_ij = coef2 * coef2 * dabs( cx + cy + cz )
if( schwartz_kl(0,0) * schwartz_ij < thr ) cycle
do r = 1, ao_prim_num(k)
if( schwartz_kl(0,r) * schwartz_ij < thr ) cycle
coef3 = coef2 * ao_coef_normalized_ordered_transp(r, k)
expo3 = ao_expo_ordered_transp(r, k)
do s = 1, ao_prim_num(l)
if( schwartz_kl(s,r) * schwartz_ij < thr ) cycle
coef4 = coef3 * ao_coef_normalized_ordered_transp(s, l)
expo4 = ao_expo_ordered_transp(s, l)
call give_explicit_poly_and_gaussian( Q1_new, Q1_center, qq1, fact_q1, iorder_q, expo3, expo4 &
, K_power, L_power, K_center, L_center, dim1 )
q1_inv = 1.d0 / qq1
call get_cxcycz_j1( dim1, cx, cy, cz &
, P1_center, P1_new, pp1, fact_p1, p1_inv, iorder_p &
, Q1_center, Q1_new, qq1, fact_q1, q1_inv, iorder_q )
j1b_gauss_2e_j1_schwartz = j1b_gauss_2e_j1_schwartz + coef4 * ( cx + cy + cz )
enddo ! s
enddo ! r
enddo ! q
enddo ! p
deallocate( schwartz_kl )
return
end function j1b_gauss_2e_j1_schwartz
! ---
subroutine get_cxcycz_j1( dim1, cx, cy, cz &
, P1_center, P1_new, pp1, fact_p1, p1_inv, iorder_p &
, Q1_center, Q1_new, qq1, fact_q1, q1_inv, iorder_q )
include 'utils/constants.include.F'
implicit none
integer, intent(in) :: dim1
integer, intent(in) :: iorder_p(3), iorder_q(3)
double precision, intent(in) :: P1_new(0:max_dim,3), P1_center(3), fact_p1, pp1, p1_inv
double precision, intent(in) :: Q1_new(0:max_dim,3), Q1_center(3), fact_q1, qq1, q1_inv
double precision, intent(out) :: cx, cy, cz
integer :: ii
integer :: shift_P(3), shift_Q(3)
double precision :: expoii, factii, Centerii(3)
double precision :: P2_new(0:max_dim,3), P2_center(3), fact_p2, pp2, p2_inv
double precision :: Q2_new(0:max_dim,3), Q2_center(3), fact_q2, qq2, q2_inv
double precision :: ff, gg
double precision :: general_primitive_integral_erf_shifted
double precision :: general_primitive_integral_coul_shifted
PROVIDE j1b_pen
cx = 0.d0
cy = 0.d0
cz = 0.d0
do ii = 1, nucl_num
expoii = j1b_pen(ii)
Centerii(1:3) = nucl_coord(ii, 1:3)
call gaussian_product(pp1, P1_center, expoii, Centerii, factii, pp2, P2_center)
fact_p2 = fact_p1 * factii
p2_inv = 1.d0 / pp2
call pol_modif_center( P1_center, P2_center, iorder_p, P1_new, P2_new )
call gaussian_product(qq1, Q1_center, expoii, Centerii, factii, qq2, Q2_center)
fact_q2 = fact_q1 * factii
q2_inv = 1.d0 / qq2
call pol_modif_center( Q1_center, Q2_center, iorder_q, Q1_new, Q2_new )
! ----------------------------------------------------------------------------------------------------
! [ (1-erf(mu r12)) / r12 ] \sum_A a_A [ (r1-RA)^2 exp(-aA r1A^2)
! ----------------------------------------------------------------------------------------------------
shift_Q = (/ 0, 0, 0 /)
! x term:
ff = P2_center(1) - Centerii(1)
shift_P = (/ 2, 0, 0 /)
cx = cx + expoii * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cx = cx - expoii * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_P = (/ 1, 0, 0 /)
cx = cx + expoii * 2.d0 * ff * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cx = cx - expoii * 2.d0 * ff * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_P = (/ 0, 0, 0 /)
cx = cx + expoii * ff * ff * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cx = cx - expoii * ff * ff * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
! y term:
ff = P2_center(2) - Centerii(2)
shift_P = (/ 0, 2, 0 /)
cy = cy + expoii * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cy = cy - expoii * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_P = (/ 0, 1, 0 /)
cy = cy + expoii * 2.d0 * ff * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cy = cy - expoii * 2.d0 * ff * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_P = (/ 0, 0, 0 /)
cy = cy + expoii * ff * ff * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cy = cy - expoii * ff * ff * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
! z term:
ff = P2_center(3) - Centerii(3)
shift_P = (/ 0, 0, 2 /)
cz = cz + expoii * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cz = cz - expoii * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_P = (/ 0, 0, 1 /)
cz = cz + expoii * 2.d0 * ff * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cz = cz - expoii * 2.d0 * ff * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_P = (/ 0, 0, 0 /)
cz = cz + expoii * ff * ff * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cz = cz - expoii * ff * ff * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
! ----------------------------------------------------------------------------------------------------
! ----------------------------------------------------------------------------------------------------
! [ (1-erf(mu r12)) / r12 ] \sum_A a_A [ (r2-RA)^2 exp(-aA r2A^2)
! ----------------------------------------------------------------------------------------------------
shift_P = (/ 0, 0, 0 /)
! x term:
ff = Q2_center(1) - Centerii(1)
shift_Q = (/ 2, 0, 0 /)
cx = cx + expoii * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cx = cx - expoii * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_Q = (/ 1, 0, 0 /)
cx = cx + expoii * 2.d0 * ff * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cx = cx - expoii * 2.d0 * ff * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_Q = (/ 0, 0, 0 /)
cx = cx + expoii * ff * ff * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cx = cx - expoii * ff * ff * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
! y term:
ff = Q2_center(2) - Centerii(2)
shift_Q = (/ 0, 2, 0 /)
cy = cy + expoii * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cy = cy - expoii * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_Q = (/ 0, 1, 0 /)
cy = cy + expoii * 2.d0 * ff * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cy = cy - expoii * 2.d0 * ff * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_Q = (/ 0, 0, 0 /)
cy = cy + expoii * ff * ff * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cy = cy - expoii * ff * ff * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
! z term:
ff = Q2_center(3) - Centerii(3)
shift_Q = (/ 0, 0, 2 /)
cz = cz + expoii * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cz = cz - expoii * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_Q = (/ 0, 0, 1 /)
cz = cz + expoii * 2.d0 * ff * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cz = cz - expoii * 2.d0 * ff * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_Q = (/ 0, 0, 0 /)
cz = cz + expoii * ff * ff * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cz = cz - expoii * ff * ff * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
! ----------------------------------------------------------------------------------------------------
! ----------------------------------------------------------------------------------------------------
! - [ (1-erf(mu r12)) / r12 ] \sum_A a_A [ (r1-RA) \cdot (r2-RA) exp(-aA r1A^2) ]
! ----------------------------------------------------------------------------------------------------
! x term:
ff = P2_center(1) - Centerii(1)
gg = Q1_center(1) - Centerii(1)
shift_p = (/ 1, 0, 0 /)
shift_Q = (/ 1, 0, 0 /)
cx = cx - expoii * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cx = cx + expoii * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_p = (/ 1, 0, 0 /)
shift_Q = (/ 0, 0, 0 /)
cx = cx - expoii * gg * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cx = cx + expoii * gg * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 1, 0, 0 /)
cx = cx - expoii * ff * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cx = cx + expoii * ff * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 0, 0 /)
cx = cx - expoii * ff * gg * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cx = cx + expoii * ff * gg * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
! y term:
ff = P2_center(2) - Centerii(2)
gg = Q1_center(2) - Centerii(2)
shift_p = (/ 0, 1, 0 /)
shift_Q = (/ 0, 1, 0 /)
cy = cy - expoii * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cy = cy + expoii * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_p = (/ 0, 1, 0 /)
shift_Q = (/ 0, 0, 0 /)
cy = cy - expoii * gg * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cy = cy + expoii * gg * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 1, 0 /)
cy = cy - expoii * ff * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cy = cy + expoii * ff * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 0, 0 /)
cy = cy - expoii * ff * gg * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cy = cy + expoii * ff * gg * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
! z term:
ff = P2_center(3) - Centerii(3)
gg = Q1_center(3) - Centerii(3)
shift_p = (/ 0, 0, 1 /)
shift_Q = (/ 0, 0, 1 /)
cz = cz - expoii * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cz = cz + expoii * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 1 /)
shift_Q = (/ 0, 0, 0 /)
cz = cz - expoii * gg * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cz = cz + expoii * gg * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 0, 1 /)
cz = cz - expoii * ff * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cz = cz + expoii * ff * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 0, 0 /)
cz = cz - expoii * ff * gg * general_primitive_integral_coul_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
cz = cz + expoii * ff * gg * general_primitive_integral_erf_shifted( dim1 &
, P2_new, P2_center, fact_p2, pp2, p2_inv, iorder_p, shift_P &
, Q1_new, Q1_center, fact_q1, qq1, q1_inv, iorder_q, shift_Q )
! ----------------------------------------------------------------------------------------------------
! ----------------------------------------------------------------------------------------------------
! - [ (1-erf(mu r12)) / r12 ] \sum_A a_A [ (r1-RA) \cdot (r2-RA) exp(-aA r2A^2) ]
! ----------------------------------------------------------------------------------------------------
! x term:
ff = P1_center(1) - Centerii(1)
gg = Q2_center(1) - Centerii(1)
shift_p = (/ 1, 0, 0 /)
shift_Q = (/ 1, 0, 0 /)
cx = cx - expoii * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cx = cx + expoii * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_p = (/ 1, 0, 0 /)
shift_Q = (/ 0, 0, 0 /)
cx = cx - expoii * gg * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cx = cx + expoii * gg * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 1, 0, 0 /)
cx = cx - expoii * ff * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cx = cx + expoii * ff * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 0, 0 /)
cx = cx - expoii * ff * gg * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cx = cx + expoii * ff * gg * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
! y term:
ff = P1_center(2) - Centerii(2)
gg = Q2_center(2) - Centerii(2)
shift_p = (/ 0, 1, 0 /)
shift_Q = (/ 0, 1, 0 /)
cy = cy - expoii * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cy = cy + expoii * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_p = (/ 0, 1, 0 /)
shift_Q = (/ 0, 0, 0 /)
cy = cy - expoii * gg * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cy = cy + expoii * gg * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 1, 0 /)
cy = cy - expoii * ff * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cy = cy + expoii * ff * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 0, 0 /)
cy = cy - expoii * ff * gg * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cy = cy + expoii * ff * gg * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
! z term:
ff = P1_center(3) - Centerii(3)
gg = Q2_center(3) - Centerii(3)
shift_p = (/ 0, 0, 1 /)
shift_Q = (/ 0, 0, 1 /)
cz = cz - expoii * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cz = cz + expoii * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 1 /)
shift_Q = (/ 0, 0, 0 /)
cz = cz - expoii * gg * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cz = cz + expoii * gg * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 0, 1 /)
cz = cz - expoii * ff * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cz = cz + expoii * ff * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
shift_p = (/ 0, 0, 0 /)
shift_Q = (/ 0, 0, 0 /)
cz = cz - expoii * ff * gg * general_primitive_integral_coul_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
cz = cz + expoii * ff * gg * general_primitive_integral_erf_shifted( dim1 &
, P1_new, P1_center, fact_p1, pp1, p1_inv, iorder_p, shift_P &
, Q2_new, Q2_center, fact_q2, qq2, q2_inv, iorder_q, shift_Q )
! ----------------------------------------------------------------------------------------------------
enddo
return
end subroutine get_cxcycz_j1
! ---
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