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lda centered

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This commit is contained in:
Pierre-Francois Loos 2020-03-29 18:34:09 +02:00
parent 3e72d87adf
commit 438a36a82c
12 changed files with 90 additions and 132 deletions
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6
examples/molecule.H2
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@ -1,5 +1,5 @@
# nAt nEla nElb nCore nRyd
2 1 1 0 0
2 1 1 0 0
# Znuc x y z
H 0. 0. 0.
H 0. 0. 1.4
H 0.0 0.0 0.0
H 0.0 0.0 1.4

69
input/basis
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@ -1,62 +1,27 @@
1 14
1 5
S 3
1 82.6400000 0.0020060
2 12.4100000 0.0153430
3 2.8240000 0.0755790
1 13.0100000 0.0196850
2 1.9620000 0.1379770
3 0.4446000 0.4781480
S 1
1 0.7977000 1.0000000
1 0.1220000 1.0000000
S 1
1 0.2581000 1.0000000
S 1
1 0.0898900 1.0000000
S 1
1 0.0236300 1.0000000
1 0.0297400 1.0000000
P 1
1 2.2920000 1.0000000
1 0.7270000 1.0000000
P 1
1 0.8380000 1.0000000
P 1
1 0.2920000 1.0000000
P 1
1 0.0848000 1.0000000
D 1
1 2.0620000 1.0000000
D 1
1 0.6620000 1.0000000
D 1
1 0.1900000 1.0000000
F 1
1 1.3970000 1.0000000
F 1
1 0.3600000 1.0000000
2 14
1 0.1410000 1.0000000
2 5
S 3
1 82.6400000 0.0020060
2 12.4100000 0.0153430
3 2.8240000 0.0755790
1 13.0100000 0.0196850
2 1.9620000 0.1379770
3 0.4446000 0.4781480
S 1
1 0.7977000 1.0000000
1 0.1220000 1.0000000
S 1
1 0.2581000 1.0000000
S 1
1 0.0898900 1.0000000
S 1
1 0.0236300 1.0000000
1 0.0297400 1.0000000
P 1
1 2.2920000 1.0000000
1 0.7270000 1.0000000
P 1
1 0.8380000 1.0000000
P 1
1 0.2920000 1.0000000
P 1
1 0.0848000 1.0000000
D 1
1 2.0620000 1.0000000
D 1
1 0.6620000 1.0000000
D 1
1 0.1900000 1.0000000
F 1
1 1.3970000 1.0000000
F 1
1 0.3600000 1.0000000
1 0.1410000 1.0000000

8
input/dft
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@ -1,10 +1,10 @@
# Restricted or unrestricted KS calculation
LIM-RKS
# exchange rung:
# exchange rung:
# Hartree = 0
# LDA = 1: RS51,RMFL20
# GGA = 2: RB88
# Hybrid = 4
# Hybrid = 4
# Hartree-Fock = 666
1 RMFL20
# correlation rung:
@ -13,12 +13,12 @@
# GGA = 2:
# Hybrid = 4:
# Hartree-Fock = 666
666 HF
1 RVWN5
# quadrature grid SG-n
1
# Number of states in ensemble (nEns)
2
# Ensemble weights: wEns(1),...,wEns(nEns-1)
1.00000 0.00000
0.5 0.0
# GOK-DFT: maxSCF thresh DIIS n_diis guess_type ortho_type
32 0.00001 T 5 1 1

6
input/molecule
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@ -1,5 +1,5 @@
# nAt nEla nElb nCore nRyd
2 1 1 0 0
2 1 1 0 0
# Znuc x y z
H 0. 0. 0.
H 0. 0. 1.4
H 0.0 0.0 0.0
H 0.0 0.0 1.4

69
input/weight
View File

@ -1,62 +1,27 @@
1 14
1 5
S 3
1 82.6400000 0.0020060
2 12.4100000 0.0153430
3 2.8240000 0.0755790
1 13.0100000 0.0196850
2 1.9620000 0.1379770
3 0.4446000 0.4781480
S 1
1 0.7977000 1.0000000
1 0.1220000 1.0000000
S 1
1 0.2581000 1.0000000
S 1
1 0.0898900 1.0000000
S 1
1 0.0236300 1.0000000
1 0.0297400 1.0000000
P 1
1 2.2920000 1.0000000
1 0.7270000 1.0000000
P 1
1 0.8380000 1.0000000
P 1
1 0.2920000 1.0000000
P 1
1 0.0848000 1.0000000
D 1
1 2.0620000 1.0000000
D 1
1 0.6620000 1.0000000
D 1
1 0.1900000 1.0000000
F 1
1 1.3970000 1.0000000
F 1
1 0.3600000 1.0000000
2 14
1 0.1410000 1.0000000
2 5
S 3
1 82.6400000 0.0020060
2 12.4100000 0.0153430
3 2.8240000 0.0755790
1 13.0100000 0.0196850
2 1.9620000 0.1379770
3 0.4446000 0.4781480
S 1
1 0.7977000 1.0000000
1 0.1220000 1.0000000
S 1
1 0.2581000 1.0000000
S 1
1 0.0898900 1.0000000
S 1
1 0.0236300 1.0000000
1 0.0297400 1.0000000
P 1
1 2.2920000 1.0000000
1 0.7270000 1.0000000
P 1
1 0.8380000 1.0000000
P 1
1 0.2920000 1.0000000
P 1
1 0.0848000 1.0000000
D 1
1 2.0620000 1.0000000
D 1
1 0.6620000 1.0000000
D 1
1 0.1900000 1.0000000
F 1
1 1.3970000 1.0000000
F 1
1 0.3600000 1.0000000
1 0.1410000 1.0000000

11
src/eDFT/RMFL20_lda_correlation_energy.f90
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@ -16,6 +16,7 @@ subroutine RMFL20_lda_correlation_energy(nEns,wEns,nGrid,weight,rho,Ec)
! Local variables
logical :: LDA_centered = .true.
integer :: iEns
double precision :: EcLDA
double precision,allocatable :: aMFL(:,:)
@ -51,11 +52,11 @@ subroutine RMFL20_lda_correlation_energy(nEns,wEns,nGrid,weight,rho,Ec)
call RVWN5_lda_correlation_energy(nGrid,weight(:),rho(:),EcLDA)
do iEns=1,nEns
EceLDA(iEns) = EceLDA(iEns) + EcLDA - EceLDA(1)
end do
if(LDA_centered) then
do iEns=1,nEns
EceLDA(iEns) = EceLDA(iEns) + EcLDA - EceLDA(1)
end do
end if
! Weight-denpendent functional for ensembles

9
src/eDFT/RMFL20_lda_correlation_individual_energy.f90
View File

@ -16,6 +16,7 @@ subroutine RMFL20_lda_correlation_individual_energy(nEns,wEns,nGrid,weight,rhow,
! Local variables
logical :: LDA_centered = .true.
integer :: iEns
double precision :: EcLDA
double precision,allocatable :: aMFL(:,:)
@ -51,9 +52,11 @@ subroutine RMFL20_lda_correlation_individual_energy(nEns,wEns,nGrid,weight,rhow,
call RVWN5_lda_correlation_individual_energy(nGrid,weight(:),rhow(:),rho(:),EcLDA)
do iEns=1,nEns
EceLDA(iEns) = EceLDA(iEns) + EcLDA - EceLDA(1)
end do
if(LDA_centered) then
do iEns=1,nEns
EceLDA(iEns) = EceLDA(iEns) + EcLDA - EceLDA(1)
end do
end if
! Weight-denpendent functional for ensembles

11
src/eDFT/RMFL20_lda_correlation_potential.f90
View File

@ -17,6 +17,7 @@ include 'parameters.h'
! Local variables
logical :: LDA_centered = .true.
integer :: iEns
double precision,allocatable :: aMFL(:,:)
double precision,allocatable :: FcLDA(:,:)
@ -54,11 +55,11 @@ include 'parameters.h'
call RVWN5_lda_correlation_potential(nGrid,weight,nBas,AO,rho,FcLDA)
do iEns=1,nEns
FceLDA(:,:,iEns) = FceLDA(:,:,iEns) + FcLDA(:,:) - FceLDA(:,:,1)
end do
if(LDA_centered) then
do iEns=1,nEns
FceLDA(:,:,iEns) = FceLDA(:,:,iEns) + FcLDA(:,:) - FceLDA(:,:,1)
end do
end if
! Weight-denpendent functional for ensembles

6
src/eDFT/RMFL20_lda_exchange_derivative_discontinuity.f90
View File

@ -29,7 +29,7 @@ subroutine RMFL20_lda_exchange_derivative_discontinuity(nEns,wEns,nGrid,weight,r
Cx(1) = Cx0
Cx(2) = Cx1
! Compute correlation energy for ground, singly-excited and doubly-excited states
! Compute correlation energy for ground- and doubly-excited states
do iEns=1,nEns
@ -42,7 +42,9 @@ subroutine RMFL20_lda_exchange_derivative_discontinuity(nEns,wEns,nGrid,weight,r
do iEns=1,nEns
do jEns=1,nEns
ExDD(iEns) = ExDD(iEns) + (Kronecker_delta(iEns,jEns) - wEns(jEns))*(dExdw(jEns) - dExdw(1))
ExDD(iEns) = ExDD(iEns) + (Kronecker_delta(iEns,jEns) - wEns(jEns))* &
(dExdw(jEns) - dExdw(1))
! (cos(2d0*pi*wEns(jEns)) + 1d0)
end do
end do

9
src/eDFT/RMFL20_lda_exchange_energy.f90
View File

@ -16,6 +16,7 @@ subroutine RMFL20_lda_exchange_energy(nEns,wEns,nGrid,weight,rho,Ex)
! Local variables
logical :: LDA_centered = .true.
integer :: iG
double precision :: Cxw
double precision :: r
@ -26,7 +27,13 @@ subroutine RMFL20_lda_exchange_energy(nEns,wEns,nGrid,weight,rho,Ex)
! Weight-denepdent Cx coefficient
Cxw = CxLDA + wEns(2)*(Cx1 - Cx0)
if(LDA_centered) then
Cxw = CxLDA + (Cx1 - Cx0)*wEns(2)
else
Cxw = wEns(1)*Cx0 + wEns(2)*Cx1
end if
! Cxw = CxLDA + (Cx1 - Cx0)*wEns(2)*(cos(2d0*pi*wEns(2)) + 1d0)
! Compute LDA exchange energy

9
src/eDFT/RMFL20_lda_exchange_individual_energy.f90
View File

@ -16,6 +16,7 @@ subroutine RMFL20_lda_exchange_individual_energy(nEns,wEns,nGrid,weight,rhow,rho
! Local variables
logical :: LDA_centered = .true.
integer :: iG
double precision :: Cxw
double precision :: r,rI
@ -27,7 +28,13 @@ subroutine RMFL20_lda_exchange_individual_energy(nEns,wEns,nGrid,weight,rhow,rho
! Weight-dependent Cx coefficient for RMFL20 exchange functional
Cxw = CxLDA + wEns(2)*(Cx1 - Cx0)
if(LDA_centered) then
Cxw = CxLDA + (Cx1 - Cx0)*wEns(2)
else
Cxw = wEns(1)*Cx0 + wEns(2)*Cx1
end if
! Cxw = CxLDA + (Cx1 - Cx0)*wEns(2)*(cos(2d0*pi*wEns(2)) + 1d0)
! Compute LDA exchange matrix in the AO basis

9
src/eDFT/RMFL20_lda_exchange_potential.f90
View File

@ -17,6 +17,7 @@ subroutine RMFL20_lda_exchange_potential(nEns,wEns,nGrid,weight,nBas,AO,rho,Fx)
! Local variables
logical :: LDA_centered = .true.
integer :: mu,nu,iG
double precision :: Cxw
double precision :: r,vAO
@ -27,7 +28,13 @@ subroutine RMFL20_lda_exchange_potential(nEns,wEns,nGrid,weight,nBas,AO,rho,Fx)
! Weight-dependent Cx coefficient for RMFL20 exchange functional
Cxw = CxLDA + wEns(2)*(Cx1 - Cx0)
if(LDA_centered) then
Cxw = CxLDA + (Cx1 - Cx0)*wEns(2)
else
Cxw = wEns(1)*Cx0 + wEns(2)*Cx1
end if
! Cxw = CxLDA + (Cx1 - Cx0)*wEns(2)*(cos(2d0*pi*wEns(2)) + 1d0)
! Compute LDA exchange matrix in the AO basis