2022-01-06 10:23:48 +01:00
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subroutine print_UKS(nBas,nEns,occnum,Ov,wEns,eps,c,ENuc,ET,EV,EH,Ex,Ec,Ew,dipole)
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2019-03-13 11:07:31 +01:00
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! Print one- and two-electron energies and other stuff for KS calculation
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implicit none
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include 'parameters.h'
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2020-09-15 11:18:24 +02:00
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! Input variables
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2022-01-06 10:23:48 +01:00
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integer,intent(in) :: nBas
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integer,intent(in) :: nEns
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double precision,intent(in) :: occnum(nBas,nspin,nEns)
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double precision,intent(in) :: Ov(nBas,nBas)
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double precision,intent(in) :: wEns(nEns)
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double precision,intent(in) :: eps(nBas,nspin)
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double precision,intent(in) :: c(nBas,nBas,nspin)
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double precision,intent(in) :: ENuc
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double precision,intent(in) :: ET(nspin)
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double precision,intent(in) :: EV(nspin)
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double precision,intent(in) :: EH(nsp)
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double precision,intent(in) :: Ex(nspin)
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double precision,intent(in) :: Ec(nsp)
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double precision,intent(in) :: Ew
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double precision,intent(in) :: dipole(ncart)
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2019-03-13 11:07:31 +01:00
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2020-09-15 11:18:24 +02:00
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! Local variables
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2022-01-06 10:23:48 +01:00
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integer :: ixyz
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integer :: ispin
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integer :: iEns
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integer :: iBas
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2022-01-06 11:18:34 +01:00
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integer :: iHOMOa,iHOMOb
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integer :: iLUMOa,iLUMOb
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double precision :: HOMOa,HOMOb,HOMO
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double precision :: LUMOa,LUMOb,LUMO
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double precision :: Gapa,Gapb,Gap
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! double precision :: S_exact,S2_exact
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! double precision :: S,S2
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2022-01-06 10:23:48 +01:00
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double precision :: nO(nspin)
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! Compute the number of spin-up and spin-down electrons
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nO(:) = 0d0
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do ispin=1,nspin
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do iEns=1,nEns
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do iBas=1,nBas
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nO(ispin) = nO(ispin) + wEns(iEns)*occnum(iBas,ispin,iEns)
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end do
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end do
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end do
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2020-09-15 11:18:24 +02:00
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! HOMO and LUMO
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2020-07-08 10:55:03 +02:00
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2022-01-06 11:18:34 +01:00
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iHOMOa = ceiling(nO(1))
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iLUMOa = iHOMOa + 1
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2020-09-15 11:18:24 +02:00
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2022-01-06 11:18:34 +01:00
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iHOMOb = ceiling(nO(2))
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iLUMOb = iHOMOb + 1
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2020-07-08 10:55:03 +02:00
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2022-01-06 11:18:34 +01:00
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HOMOa = -huge(0d0)
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if(iHOMOa > 0) HOMOa = eps(iHOMOa,1)
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LUMOa = +huge(0d0)
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if(iLUMOa <= nBas) LUMOa = eps(iLUMOa,1)
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HOMOb = -huge(0d0)
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if(iHOMOb > 0) HOMOb = eps(iHOMOb,2)
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LUMOb = +huge(0d0)
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2022-01-08 13:59:45 +01:00
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if(iLUMOb <= nBas) LUMOb = eps(iLUMOb,2)
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2022-01-06 11:18:34 +01:00
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HOMO = max(HOMOa,HOMOb)
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LUMO = min(LUMOa,LUMOb)
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Gapa = LUMOa - HOMOa
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Gapb = LUMOb - HOMOb
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Gap = LUMO - HOMO
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2019-03-13 11:07:31 +01:00
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2021-03-25 11:05:56 +01:00
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! Spin comtamination
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2019-03-13 11:07:31 +01:00
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2022-01-06 11:18:34 +01:00
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! S2_exact = (nO(1) - nO(2))/2d0*(nO(1) - nO(2))/2d0 + 1d0
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2022-01-06 10:23:48 +01:00
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! S2 = S2_exact + nO(2) - sum(matmul(transpose(c(:,1:nO(1),1)),matmul(Ov,c(:,1:nO(2),2)))**2)
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2021-03-25 11:05:56 +01:00
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2022-01-06 10:23:48 +01:00
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! S_exact = 0.5d0*dble(nO(1) - nO(2))
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! S = -0.5d0 + 0.5d0*sqrt(1d0 + 4d0*S2)
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2021-03-25 11:05:56 +01:00
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! Dump results
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2019-03-13 11:07:31 +01:00
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write(*,*)
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write(*,'(A60)') '-------------------------------------------------'
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write(*,'(A40)') ' Summary '
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write(*,'(A60)') '-------------------------------------------------'
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write(*,'(A40,1X,F16.10,A3)') ' One-electron energy: ',sum(ET(:)) + sum(EV(:)),' au'
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write(*,'(A40,1X,F16.10,A3)') ' One-electron a energy: ',ET(1) + EV(1),' au'
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write(*,'(A40,1X,F16.10,A3)') ' One-electron b energy: ',ET(2) + EV(2),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Kinetic energy: ',sum(ET(:)),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Kinetic a energy: ',ET(1),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Kinetic b energy: ',ET(2),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Potential energy: ',sum(EV(:)),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Potential a energy: ',EV(1),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Potential b energy: ',EV(2),' au'
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write(*,'(A60)') '-------------------------------------------------'
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2021-11-30 09:29:23 +01:00
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write(*,'(A40,1X,F16.10,A3)') ' Two-electron a energy: ',sum(EH(:)) + sum(Ex(:)) + sum(Ec(:)),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Two-electron aa energy: ',EH(1) + Ex(1) + Ec(1),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Two-electron ab energy: ',EH(2) + Ec(2),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Two-electron bb energy: ',EH(3) + Ex(2) + Ec(3),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Hartree energy: ',sum(EH(:)),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Hartree aa energy: ',EH(1),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Hartree ab energy: ',EH(2),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Hartree bb energy: ',EH(3),' au'
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2019-03-13 11:07:31 +01:00
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write(*,'(A40,1X,F16.10,A3)') ' Exchange energy: ',sum(Ex(:)),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Exchange a energy: ',Ex(1),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Exchange b energy: ',Ex(2),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Correlation energy: ',sum(Ec(:)),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Correlation aa energy: ',Ec(1),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Correlation ab energy: ',Ec(2),' au'
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write(*,'(A40,1X,F16.10,A3)') ' Correlation bb energy: ',Ec(3),' au'
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write(*,'(A60)') '-------------------------------------------------'
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write(*,'(A40,1X,F16.10,A3)') ' Electronic energy: ',Ew,' au'
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write(*,'(A40,1X,F16.10,A3)') ' Nuclear repulsion: ',ENuc,' au'
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write(*,'(A40,1X,F16.10,A3)') ' Kohn-Sham energy: ',Ew + ENuc,' au'
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write(*,'(A60)') '-------------------------------------------------'
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2022-01-06 11:18:34 +01:00
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write(*,'(A40,F13.6,A3)') ' KS HOMO a energy:',HOMOa*HatoeV,' eV'
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write(*,'(A40,F13.6,A3)') ' KS LUMO a energy:',LUMOa*HatoeV,' eV'
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write(*,'(A40,F13.6,A3)') ' KS HOMOa-LUMOa gap:',Gapa*HatoeV,' eV'
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2019-03-13 11:07:31 +01:00
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write(*,'(A60)') '-------------------------------------------------'
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2022-01-06 11:18:34 +01:00
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write(*,'(A40,F13.6,A3)') ' KS HOMO b energy:',HOMOb*HatoeV,' eV'
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write(*,'(A40,F13.6,A3)') ' KS LUMO b energy:',LUMOb*HatoeV,' eV'
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write(*,'(A40,F13.6,A3)') ' KS HOMOb-LUMOb gap :',Gapb*HatoeV,' eV'
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2019-03-13 11:07:31 +01:00
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write(*,'(A60)') '-------------------------------------------------'
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2022-01-06 11:18:34 +01:00
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write(*,'(A40,F13.6,A3)') ' KS HOMO energy:',HOMO*HatoeV,' eV'
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write(*,'(A40,F13.6,A3)') ' KS LUMO energy:',LUMO*HatoeV,' eV'
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write(*,'(A40,F13.6,A3)') ' KS HOMO -LUMO gap :',Gap*HatoeV,' eV'
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2021-03-25 11:05:56 +01:00
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write(*,'(A60)') '-------------------------------------------------'
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2022-01-06 11:18:34 +01:00
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! write(*,'(A40,1X,F16.6)') ' S (exact) :',2d0*S_exact + 1d0
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! write(*,'(A40,1X,F16.6)') ' S :',2d0*S + 1d0
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! write(*,'(A40,1X,F16.6)') ' <S**2> (exact) :',S2_exact
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! write(*,'(A40,1X,F16.6)') ' <S**2> :',S2
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! write(*,'(A60)') '-------------------------------------------------'
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2021-03-25 11:05:56 +01:00
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write(*,'(A45)') ' Dipole moment (Debye) '
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write(*,'(19X,4A10)') 'X','Y','Z','Tot.'
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write(*,'(19X,4F10.6)') (dipole(ixyz)*auToD,ixyz=1,ncart),norm2(dipole)*auToD
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write(*,'(A60)') '-------------------------------------------------'
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2019-03-13 11:07:31 +01:00
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write(*,*)
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! Print results
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write(*,'(A50)') '-----------------------------------------'
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write(*,'(A50)') 'Kohn-Sham spin-up orbital coefficients '
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write(*,'(A50)') '-----------------------------------------'
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call matout(nBas,nBas,c(:,:,1))
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write(*,'(A50)') '-----------------------------------------'
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write(*,'(A50)') 'Kohn-Sham spin-down orbital coefficients '
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write(*,'(A50)') '-----------------------------------------'
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call matout(nBas,nBas,c(:,:,2))
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write(*,*)
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write(*,'(A50)') '---------------------------------------'
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write(*,'(A50)') ' Kohn-Sham spin-up orbital energies '
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write(*,'(A50)') '---------------------------------------'
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call matout(nBas,1,eps(:,1))
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write(*,*)
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write(*,'(A50)') '---------------------------------------'
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write(*,'(A50)') ' Kohn-Sham spin-down orbital energies '
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write(*,'(A50)') '---------------------------------------'
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call matout(nBas,1,eps(:,2))
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write(*,*)
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2020-03-15 08:24:15 +01:00
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end subroutine print_UKS
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