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fix huckel guess

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This commit is contained in:
Pierre-Francois Loos 2020-01-15 09:22:54 +01:00
parent 43a4ed34c2
commit f3f8186387
1 changed files with 28 additions and 16 deletions
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44
src/QuAcK/huckel_guess.f90
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@ -30,32 +30,44 @@ subroutine huckel_guess(nBas,nO,S,Hc,ERI,J,K,X,cp,Fp,e,c,P)
a = 1.75d0
Fp = matmul(transpose(X),matmul(Hc,X))
cp(:,:) = Fp(:,:)
call diagonalize_matrix(nBas,cp,e)
c = matmul(X,cp)
P(:,:) = 2d0*matmul(c(:,1:nO),transpose(c(:,1:nO)))
call Coulomb_matrix_AO_basis(nBas,P,ERI,J)
call exchange_matrix_AO_basis(nBas,P,ERI,K)
Fp(:,:) = Hc(:,:)
do mu=1,nBas
Fp(mu,mu) = Hc(mu,mu) + J(mu,mu) + 0.5d0*K(mu,mu)
do nu=mu+1,nBas
Fp(mu,nu) = 0.5d0*a*S(mu,nu)*(Hc(mu,mu) + Hc(nu,nu))
Fp(nu,mu) = Fp(mu,nu)
enddo
enddo
Fp = matmul(transpose(X),matmul(Fp,X))
cp(:,:) = Fp(:,:)
call diagonalize_matrix(nBas,cp,e)
c = matmul(X,cp)
Fp(:,:) = matmul(transpose(X(:,:)),matmul(Fp(:,:),X(:,:)))
cp(:,:) = Fp(:,:)
call diagonalize_matrix(nBas,cp,e)
c(:,:) = matmul(X(:,:),cp(:,:))
P(:,:) = 2d0*matmul(c(:,1:nO),transpose(c(:,1:nO)))
! call Coulomb_matrix_AO_basis(nBas,P,ERI,J)
! call exchange_matrix_AO_basis(nBas,P,ERI,K)
! do mu=1,nBas
! Fp(mu,mu) = Hc(mu,mu) + J(mu,mu) + 0.5d0*K(mu,mu)
! do nu=mu+1,nBas
! Fp(mu,nu) = 0.5d0*a*S(mu,nu)*(Hc(mu,mu) + Hc(nu,nu))
! Fp(nu,mu) = Fp(mu,nu)
! enddo
! enddo
! Fp = matmul(transpose(X),matmul(Fp,X))
! cp(:,:) = Fp(:,:)
! call diagonalize_matrix(nBas,cp,e)
! c = matmul(X,cp)
end subroutine