10
0
mirror of https://github.com/LCPQ/quantum_package synced 2024-11-03 20:54:00 +01:00
quantum_package/plugins/Properties/mulliken.irp.f
2016-07-16 16:09:50 +02:00

152 lines
4.2 KiB
Fortran

BEGIN_PROVIDER [double precision, spin_population, (ao_num_align,ao_num)]
implicit none
integer :: i,j
BEGIN_DOC
! spin population on the ao basis :
! spin_population(i,j) = rho_AO(alpha)(i,j) - rho_AO(beta)(i,j) * <AO_i|AO_j>
END_DOC
spin_population = 0.d0
do i = 1, ao_num
do j = 1, ao_num
spin_population(j,i) = one_body_spin_density_ao(i,j) * ao_overlap(i,j)
enddo
enddo
END_PROVIDER
BEGIN_PROVIDER [double precision, spin_population_angular_momentum, (0:ao_l_max)]
&BEGIN_PROVIDER [double precision, spin_population_angular_momentum_per_atom, (0:ao_l_max,nucl_num)]
implicit none
integer :: i
double precision :: accu
spin_population_angular_momentum = 0.d0
spin_population_angular_momentum_per_atom = 0.d0
do i = 1, ao_num
spin_population_angular_momentum(ao_l(i)) += spin_gross_orbital_product(i)
spin_population_angular_momentum_per_atom(ao_l(i),ao_nucl(i)) += spin_gross_orbital_product(i)
enddo
END_PROVIDER
BEGIN_PROVIDER [double precision, spin_gross_orbital_product, (ao_num)]
implicit none
spin_gross_orbital_product = 0.d0
integer :: i,j
BEGIN_DOC
! gross orbital product for the spin population
END_DOC
do i = 1, ao_num
do j = 1, ao_num
spin_gross_orbital_product(i) += spin_population(j,i)
enddo
enddo
END_PROVIDER
BEGIN_PROVIDER [double precision, mulliken_spin_densities, (nucl_num)]
implicit none
integer :: i,j
BEGIN_DOC
!ATOMIC SPIN POPULATION (ALPHA MINUS BETA)
END_DOC
mulliken_spin_densities = 0.d0
do i = 1, ao_num
mulliken_spin_densities(ao_nucl(i)) += spin_gross_orbital_product(i)
enddo
END_PROVIDER
BEGIN_PROVIDER [double precision, electronic_population_alpha, (ao_num_align,ao_num)]
&BEGIN_PROVIDER [double precision, electronic_population_beta, (ao_num_align,ao_num)]
implicit none
integer :: i,j
BEGIN_DOC
! spin population on the ao basis :
! spin_population(i,j) = rho_AO(alpha)(i,j) - rho_AO(beta)(i,j) * <AO_i|AO_j>
END_DOC
electronic_population_alpha = 0.d0
electronic_population_beta = 0.d0
do i = 1, ao_num
do j = 1, ao_num
electronic_population_alpha(j,i) = one_body_dm_ao_alpha(i,j) * ao_overlap(i,j)
electronic_population_beta(j,i) = one_body_dm_ao_beta(i,j) * ao_overlap(i,j)
enddo
enddo
END_PROVIDER
BEGIN_PROVIDER [double precision, gross_orbital_product_alpha, (ao_num)]
&BEGIN_PROVIDER [double precision, gross_orbital_product_beta, (ao_num)]
implicit none
spin_gross_orbital_product = 0.d0
integer :: i,j
BEGIN_DOC
! gross orbital product
END_DOC
do i = 1, ao_num
do j = 1, ao_num
gross_orbital_product_alpha(i) += electronic_population_alpha(j,i)
gross_orbital_product_beta(i) += electronic_population_beta(j,i)
enddo
enddo
END_PROVIDER
BEGIN_PROVIDER [double precision, mulliken_densities_alpha, (nucl_num)]
&BEGIN_PROVIDER [double precision, mulliken_densities_beta, (nucl_num)]
implicit none
integer :: i,j
BEGIN_DOC
!
END_DOC
mulliken_densities_alpha = 0.d0
mulliken_densities_beta = 0.d0
do i = 1, ao_num
mulliken_densities_alpha(ao_nucl(i)) += gross_orbital_product_alpha(i)
mulliken_densities_beta(ao_nucl(i)) += gross_orbital_product_beta(i)
enddo
END_PROVIDER
subroutine print_mulliken_sd
implicit none
double precision :: accu
integer :: i
integer :: j
print*,'Mulliken spin densities'
accu= 0.d0
do i = 1, nucl_num
print*,i,nucl_charge(i),mulliken_spin_densities(i)
accu += mulliken_spin_densities(i)
enddo
print*,'Sum of Mulliken SD = ',accu
print*,'AO SPIN POPULATIONS'
accu = 0.d0
do i = 1, ao_num
accu += spin_gross_orbital_product(i)
write(*,'(X,I3,X,A4,X,I2,X,A4,X,F10.7)')i,trim(element_name(int(nucl_charge(ao_nucl(i))))),ao_nucl(i),trim(l_to_charater(ao_l(i))),spin_gross_orbital_product(i)
enddo
print*,'sum = ',accu
accu = 0.d0
print*,'Angular momentum analysis'
do i = 0, ao_l_max
accu += spin_population_angular_momentum(i)
print*,' ',trim(l_to_charater(i)),spin_population_angular_momentum(i)
print*,'sum = ',accu
enddo
print*,'Angular momentum analysis per atom'
print*,'Angular momentum analysis'
do j = 1,nucl_num
accu = 0.d0
do i = 0, ao_l_max
accu += spin_population_angular_momentum_per_atom(i,j)
write(*,'(XX,I3,XX,A4,X,A4,X,F10.7)')j,trim(element_name(int(nucl_charge(j)))),trim(l_to_charater(i)),spin_population_angular_momentum_per_atom(i,j)
print*,'sum = ',accu
enddo
enddo
end