LCOV - code coverage report
Current view: top level - src - molden_utils.F (source / functions) Hit Total Coverage
Test: CP2K Regtests (git:4dc10b3) Lines: 137 170 80.6 %
Date: 2024-11-21 06:45:46 Functions: 3 3 100.0 %

          Line data    Source code
       1             : !--------------------------------------------------------------------------------------------------!
       2             : !   CP2K: A general program to perform molecular dynamics simulations                              !
       3             : !   Copyright 2000-2024 CP2K developers group <https://cp2k.org>                                   !
       4             : !                                                                                                  !
       5             : !   SPDX-License-Identifier: GPL-2.0-or-later                                                      !
       6             : !--------------------------------------------------------------------------------------------------!
       7             : 
       8             : ! **************************************************************************************************
       9             : !> \brief  Functions handling the MOLDEN format. Split from mode_selective.
      10             : !> \author Teodoro Laino, 03.2009
      11             : ! **************************************************************************************************
      12             : MODULE molden_utils
      13             :    USE atomic_kind_types,               ONLY: get_atomic_kind
      14             :    USE basis_set_types,                 ONLY: get_gto_basis_set,&
      15             :                                               gto_basis_set_type
      16             :    USE cp_dbcsr_operations,             ONLY: copy_dbcsr_to_fm
      17             :    USE cp_fm_types,                     ONLY: cp_fm_get_info,&
      18             :                                               cp_fm_get_submatrix
      19             :    USE cp_log_handling,                 ONLY: cp_get_default_logger,&
      20             :                                               cp_logger_type
      21             :    USE cp_output_handling,              ONLY: cp_p_file,&
      22             :                                               cp_print_key_finished_output,&
      23             :                                               cp_print_key_should_output,&
      24             :                                               cp_print_key_unit_nr
      25             :    USE input_constants,                 ONLY: gto_cartesian,&
      26             :                                               gto_spherical
      27             :    USE input_section_types,             ONLY: section_vals_type,&
      28             :                                               section_vals_val_get
      29             :    USE kinds,                           ONLY: dp
      30             :    USE mathconstants,                   ONLY: pi
      31             :    USE orbital_pointers,                ONLY: nco,&
      32             :                                               nso
      33             :    USE orbital_transformation_matrices, ONLY: orbtramat
      34             :    USE particle_types,                  ONLY: particle_type
      35             :    USE periodic_table,                  ONLY: get_ptable_info
      36             :    USE physcon,                         ONLY: massunit
      37             :    USE qs_kind_types,                   ONLY: get_qs_kind,&
      38             :                                               get_qs_kind_set,&
      39             :                                               qs_kind_type
      40             :    USE qs_mo_types,                     ONLY: mo_set_type
      41             : #include "./base/base_uses.f90"
      42             : 
      43             :    IMPLICIT NONE
      44             : 
      45             :    PRIVATE
      46             :    CHARACTER(len=*), PARAMETER, PRIVATE :: moduleN = 'molden_utils'
      47             :    LOGICAL, PARAMETER                   :: debug_this_module = .FALSE.
      48             : 
      49             :    INTEGER, PARAMETER                   :: molden_lmax = 4
      50             :    INTEGER, PARAMETER                   :: molden_ncomax = (molden_lmax + 1)*(molden_lmax + 2)/2 ! 15
      51             : 
      52             :    PUBLIC :: write_vibrations_molden, write_mos_molden
      53             : 
      54             : CONTAINS
      55             : 
      56             : ! **************************************************************************************************
      57             : !> \brief Write out the MOs in molden format for visualisation
      58             : !> \param mos the set of MOs (both spins, if UKS)
      59             : !> \param qs_kind_set for basis set info
      60             : !> \param particle_set particles data structure, for positions and kinds
      61             : !> \param print_section input section containing relevant print key
      62             : !> \author MattW, IainB
      63             : ! **************************************************************************************************
      64        9727 :    SUBROUTINE write_mos_molden(mos, qs_kind_set, particle_set, print_section)
      65             :       TYPE(mo_set_type), DIMENSION(:), INTENT(IN)        :: mos
      66             :       TYPE(qs_kind_type), DIMENSION(:), POINTER          :: qs_kind_set
      67             :       TYPE(particle_type), DIMENSION(:), POINTER         :: particle_set
      68             :       TYPE(section_vals_type), POINTER                   :: print_section
      69             : 
      70             :       CHARACTER(LEN=*), PARAMETER                        :: routineN = 'write_mos_molden'
      71             :       CHARACTER(LEN=molden_lmax+1), PARAMETER            :: angmom = "spdfg"
      72             : 
      73             :       CHARACTER(LEN=15)                                  :: fmtstr1, fmtstr2
      74             :       CHARACTER(LEN=2)                                   :: element_symbol
      75             :       INTEGER :: gto_kind, handle, i, iatom, icgf, icol, ikind, ipgf, irow, irow_in, iset, isgf, &
      76             :          ishell, ispin, iw, lshell, ncgf, ncol_global, ndigits, nrow_global, nset, nsgf, z
      77        9727 :       INTEGER, DIMENSION(:), POINTER                     :: npgf, nshell
      78        9727 :       INTEGER, DIMENSION(:, :), POINTER                  :: l
      79             :       INTEGER, DIMENSION(molden_ncomax, 0:molden_lmax)   :: orbmap
      80             :       LOGICAL                                            :: print_warn
      81             :       REAL(KIND=dp)                                      :: expzet, prefac
      82        9727 :       REAL(KIND=dp), ALLOCATABLE, DIMENSION(:, :)        :: cmatrix, smatrix
      83        9727 :       REAL(KIND=dp), DIMENSION(:, :), POINTER            :: zet
      84        9727 :       REAL(KIND=dp), DIMENSION(:, :, :), POINTER         :: gcc
      85             :       TYPE(cp_logger_type), POINTER                      :: logger
      86             :       TYPE(gto_basis_set_type), POINTER                  :: orb_basis_set
      87             : 
      88        9727 :       CALL timeset(routineN, handle)
      89             : 
      90        9727 :       logger => cp_get_default_logger()
      91        9727 :       IF (BTEST(cp_print_key_should_output(logger%iter_info, print_section, ""), cp_p_file)) THEN
      92             : 
      93             :          iw = cp_print_key_unit_nr(logger, print_section, "", &
      94          28 :                                    extension=".molden", file_status='REPLACE')
      95             : 
      96          28 :          print_warn = .TRUE.
      97             : 
      98          28 :          CALL section_vals_val_get(print_section, "NDIGITS", i_val=ndigits)
      99          28 :          ndigits = MIN(MAX(3, ndigits), 30)
     100          28 :          WRITE (UNIT=fmtstr1, FMT='("(I6,1X,ES",I0,".",I0,")")') ndigits + 7, ndigits
     101          28 :          WRITE (UNIT=fmtstr2, FMT='("((T51,2F",I0,".",I0,"))")') ndigits + 10, ndigits
     102             : 
     103          28 :          CALL section_vals_val_get(print_section, "GTO_KIND", i_val=gto_kind)
     104             : 
     105          28 :          IF (mos(1)%use_mo_coeff_b) THEN
     106             :             ! we are using the dbcsr mo_coeff
     107             :             ! we copy it to the fm anyway
     108           0 :             DO ispin = 1, SIZE(mos)
     109           0 :                IF (.NOT. ASSOCIATED(mos(ispin)%mo_coeff_b)) THEN
     110           0 :                   CPASSERT(.FALSE.)
     111             :                END IF
     112             :                CALL copy_dbcsr_to_fm(mos(ispin)%mo_coeff_b, &
     113           0 :                                      mos(ispin)%mo_coeff) !fm->dbcsr
     114             :             END DO
     115             :          END IF
     116             : 
     117          28 :          IF (iw > 0) THEN
     118          14 :             WRITE (iw, '(T2,A)') "[Molden Format]"
     119          14 :             WRITE (iw, '(T2,A)') "[Atoms] AU"
     120         152 :             DO i = 1, SIZE(particle_set)
     121             :                CALL get_atomic_kind(atomic_kind=particle_set(i)%atomic_kind, &
     122         138 :                                     element_symbol=element_symbol)
     123         138 :                CALL get_ptable_info(element_symbol, number=z)
     124             : 
     125             :                WRITE (iw, '(T2,A2,I8,I8,3X,3(F12.6,3X))') &
     126         566 :                   element_symbol, i, z, particle_set(i)%r(:)
     127             :             END DO
     128             : 
     129          14 :             WRITE (iw, '(T2,A)') "[GTO]"
     130             : 
     131         152 :             DO i = 1, SIZE(particle_set)
     132             :                CALL get_atomic_kind(atomic_kind=particle_set(i)%atomic_kind, kind_number=ikind, &
     133         138 :                                     element_symbol=element_symbol)
     134         138 :                CALL get_qs_kind(qs_kind_set(ikind), basis_set=orb_basis_set)
     135         290 :                IF (ASSOCIATED(orb_basis_set)) THEN
     136         138 :                   WRITE (iw, '(T2,I8,I8)') i, 0
     137             :                   CALL get_gto_basis_set(gto_basis_set=orb_basis_set, &
     138             :                                          nset=nset, &
     139             :                                          npgf=npgf, &
     140             :                                          nshell=nshell, &
     141             :                                          l=l, &
     142             :                                          zet=zet, &
     143         138 :                                          gcc=gcc)
     144             : 
     145         434 :                   DO iset = 1, nset
     146         784 :                      DO ishell = 1, nshell(iset)
     147         350 :                         lshell = l(ishell, iset)
     148         646 :                         IF (lshell <= molden_lmax) THEN
     149             :                            WRITE (UNIT=iw, FMT='(T25,A2,4X,I4,4X,F4.2)') &
     150         350 :                               angmom(lshell + 1:lshell + 1), npgf(iset), 1.0_dp
     151             :                            ! MOLDEN expects the contraction coefficient of spherical NOT CARTESIAN NORMALISED
     152             :                            ! functions. So we undo the normalisation factors included in the gccs
     153             :                            ! Reverse engineered from basis_set_types, normalise_gcc_orb
     154         350 :                            prefac = 2_dp**lshell*(2/pi)**0.75_dp
     155         350 :                            expzet = 0.25_dp*(2*lshell + 3.0_dp)
     156             :                            WRITE (UNIT=iw, FMT=fmtstr2) &
     157        2264 :                               (zet(ipgf, iset), gcc(ipgf, ishell, iset)/(prefac*zet(ipgf, iset)**expzet), &
     158        2614 :                                ipgf=1, npgf(iset))
     159             :                         ELSE
     160           0 :                            IF (print_warn) THEN
     161             :                               CALL cp_warn(__LOCATION__, &
     162           0 :                                            "MOLDEN format does not support Gaussian orbitals with l > 4.")
     163           0 :                               print_warn = .FALSE.
     164             :                            END IF
     165             :                         END IF
     166             :                      END DO
     167             :                   END DO
     168             : 
     169         138 :                   WRITE (iw, '(A4)') "    "
     170             : 
     171             :                END IF
     172             : 
     173             :             END DO
     174             : 
     175          14 :             IF (gto_kind == gto_spherical) THEN
     176          14 :                WRITE (iw, '(T2,A)') "[5D7F]"
     177          14 :                WRITE (iw, '(T2,A)') "[9G]"
     178             :             END IF
     179             : 
     180          14 :             WRITE (iw, '(T2,A)') "[MO]"
     181             :          END IF
     182             : 
     183             :          !------------------------------------------------------------------------
     184             :          ! convert from CP2K to MOLDEN format ordering
     185             :          ! http://www.cmbi.ru.nl/molden/molden_format.html
     186             :          !"The following order of D, F and G functions is expected:
     187             :          !
     188             :          !   5D: D 0, D+1, D-1, D+2, D-2
     189             :          !   6D: xx, yy, zz, xy, xz, yz
     190             :          !
     191             :          !   7F: F 0, F+1, F-1, F+2, F-2, F+3, F-3
     192             :          !  10F: xxx, yyy, zzz, xyy, xxy, xxz, xzz, yzz, yyz, xyz
     193             :          !
     194             :          !   9G: G 0, G+1, G-1, G+2, G-2, G+3, G-3, G+4, G-4
     195             :          !  15G: xxxx yyyy zzzz xxxy xxxz yyyx yyyz zzzx zzzy,
     196             :          !       xxyy xxzz yyzz xxyz yyxz zzxy
     197             :          !"
     198             :          ! CP2K has x in the outer (slower loop), so
     199             :          ! xx, xy, xz, yy, yz,zz for l=2, for instance
     200             :          !
     201             :          ! iorb_cp2k = orbmap(iorb_molden, l), l = 0 .. 4
     202             :          ! -----------------------------------------------------------------------
     203          28 :          IF (iw > 0) THEN
     204          14 :             IF (gto_kind == gto_cartesian) THEN
     205             :                ! -----------------------------------------------------------------
     206             :                ! Use cartesian (6D, 10F, 15G) representation.
     207             :                ! This is only format VMD can process.
     208             :                ! -----------------------------------------------------------------
     209             :                orbmap = RESHAPE((/1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, &
     210             :                                   1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, &
     211             :                                   1, 4, 6, 2, 3, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, &
     212             :                                   1, 7, 10, 4, 2, 3, 6, 9, 8, 5, 0, 0, 0, 0, 0, &
     213             :                                   1, 11, 15, 2, 3, 7, 12, 10, 14, 4, 6, 13, 5, 8, 9/), &
     214           0 :                                 (/molden_ncomax, molden_lmax + 1/))
     215          14 :             ELSE IF (gto_kind == gto_spherical) THEN
     216             :                ! -----------------------------------------------------------------
     217             :                ! Use spherical (5D, 7F, 9G) representation.
     218             :                ! -----------------------------------------------------------------
     219             :                orbmap = RESHAPE((/1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, &
     220             :                                   3, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, &
     221             :                                   3, 4, 2, 5, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, &
     222             :                                   4, 5, 3, 6, 2, 7, 1, 0, 0, 0, 0, 0, 0, 0, 0, &
     223             :                                   5, 6, 4, 7, 3, 8, 2, 9, 1, 0, 0, 0, 0, 0, 0/), &
     224          14 :                                 (/molden_ncomax, molden_lmax + 1/))
     225             :             END IF
     226             :          END IF
     227             : 
     228          72 :          DO ispin = 1, SIZE(mos)
     229             :             CALL cp_fm_get_info(mos(ispin)%mo_coeff, &
     230             :                                 nrow_global=nrow_global, &
     231          44 :                                 ncol_global=ncol_global)
     232         176 :             ALLOCATE (smatrix(nrow_global, ncol_global))
     233          44 :             CALL cp_fm_get_submatrix(mos(ispin)%mo_coeff, smatrix)
     234             : 
     235          44 :             IF (iw > 0) THEN
     236          22 :                IF (gto_kind == gto_cartesian) THEN
     237           0 :                   CALL get_qs_kind_set(qs_kind_set, ncgf=ncgf, nsgf=nsgf)
     238             : 
     239           0 :                   ALLOCATE (cmatrix(ncgf, ncgf))
     240             : 
     241           0 :                   cmatrix = 0.0_dp
     242             : 
     243             :                   ! Transform spherical MOs to Cartesian MOs
     244             : 
     245           0 :                   icgf = 1
     246           0 :                   isgf = 1
     247           0 :                   DO iatom = 1, SIZE(particle_set)
     248           0 :                      NULLIFY (orb_basis_set)
     249           0 :                      CALL get_atomic_kind(particle_set(iatom)%atomic_kind, kind_number=ikind)
     250             :                      CALL get_qs_kind(qs_kind_set(ikind), &
     251           0 :                                       basis_set=orb_basis_set)
     252           0 :                      IF (ASSOCIATED(orb_basis_set)) THEN
     253             :                         CALL get_gto_basis_set(gto_basis_set=orb_basis_set, &
     254             :                                                nset=nset, &
     255             :                                                nshell=nshell, &
     256           0 :                                                l=l)
     257           0 :                         DO iset = 1, nset
     258           0 :                            DO ishell = 1, nshell(iset)
     259           0 :                               lshell = l(ishell, iset)
     260             :                               CALL dgemm("T", "N", nco(lshell), mos(ispin)%nmo, nso(lshell), 1.0_dp, &
     261             :                                          orbtramat(lshell)%c2s, nso(lshell), &
     262             :                                          smatrix(isgf, 1), nsgf, 0.0_dp, &
     263           0 :                                          cmatrix(icgf, 1), ncgf)
     264           0 :                               icgf = icgf + nco(lshell)
     265           0 :                               isgf = isgf + nso(lshell)
     266             :                            END DO
     267             :                         END DO
     268             :                      END IF
     269             :                   END DO ! iatom
     270             :                END IF
     271             : 
     272          96 :                DO icol = 1, mos(ispin)%nmo
     273             :                   ! index of the first basis function for the given atom, set, and shell
     274          74 :                   irow = 1
     275             : 
     276             :                   ! index of the first basis function in MOLDEN file.
     277             :                   ! Due to limitation of the MOLDEN format, basis functions with l > molden_lmax
     278             :                   ! cannot be exported, so we need to renumber atomic orbitals
     279          74 :                   irow_in = 1
     280             : 
     281          74 :                   WRITE (iw, '(A,ES20.10)') 'Ene=', mos(ispin)%eigenvalues(icol)
     282          74 :                   IF (ispin < 2) THEN
     283          63 :                      WRITE (iw, '(A)') 'Spin= Alpha'
     284             :                   ELSE
     285          11 :                      WRITE (iw, '(A)') 'Spin= Beta'
     286             :                   END IF
     287          74 :                   WRITE (iw, '(A,F12.7)') 'Occup=', mos(ispin)%occupation_numbers(icol)
     288             : 
     289         544 :                   DO iatom = 1, SIZE(particle_set)
     290         448 :                      NULLIFY (orb_basis_set)
     291             :                      CALL get_atomic_kind(particle_set(iatom)%atomic_kind, &
     292         448 :                                           element_symbol=element_symbol, kind_number=ikind)
     293             :                      CALL get_qs_kind(qs_kind_set(ikind), &
     294         448 :                                       basis_set=orb_basis_set)
     295         970 :                      IF (ASSOCIATED(orb_basis_set)) THEN
     296             :                         CALL get_gto_basis_set(gto_basis_set=orb_basis_set, &
     297             :                                                nset=nset, &
     298             :                                                nshell=nshell, &
     299         448 :                                                l=l)
     300             : 
     301         448 :                         IF (gto_kind == gto_cartesian) THEN
     302             :                            ! ----------------------------------------------
     303             :                            ! Use cartesian (6D, 10F, 15G) representation.
     304             :                            ! ----------------------------------------------
     305           0 :                            icgf = 1
     306           0 :                            DO iset = 1, nset
     307           0 :                               DO ishell = 1, nshell(iset)
     308           0 :                                  lshell = l(ishell, iset)
     309             : 
     310           0 :                                  IF (lshell <= molden_lmax) THEN
     311             :                                     CALL print_coeffs(iw, fmtstr1, ndigits, irow_in, orbmap(:, lshell), &
     312           0 :                                                       cmatrix(irow:irow + nco(lshell) - 1, icol))
     313           0 :                                     irow_in = irow_in + nco(lshell)
     314             :                                  END IF
     315             : 
     316           0 :                                  irow = irow + nco(lshell)
     317             :                               END DO ! ishell
     318             :                            END DO
     319             : 
     320         448 :                         ELSE IF (gto_kind == gto_spherical) THEN
     321             :                            ! ----------------------------------------------
     322             :                            ! Use spherical (5D, 7F, 9G) representation.
     323             :                            ! ----------------------------------------------
     324        1544 :                            DO iset = 1, nset
     325        2880 :                               DO ishell = 1, nshell(iset)
     326        1336 :                                  lshell = l(ishell, iset)
     327             : 
     328        1336 :                                  IF (lshell <= molden_lmax) THEN
     329             :                                     CALL print_coeffs(iw, fmtstr1, ndigits, irow_in, orbmap(:, lshell), &
     330        1336 :                                                       smatrix(irow:irow + nso(lshell) - 1, icol))
     331        1336 :                                     irow_in = irow_in + nso(lshell)
     332             :                                  END IF
     333             : 
     334        2432 :                                  irow = irow + nso(lshell)
     335             :                               END DO
     336             :                            END DO
     337             :                         END IF
     338             : 
     339             :                      END IF
     340             :                   END DO ! iatom
     341             :                END DO
     342             :             END IF
     343             : 
     344          44 :             IF (ALLOCATED(cmatrix)) DEALLOCATE (cmatrix)
     345         116 :             IF (ALLOCATED(smatrix)) DEALLOCATE (smatrix)
     346             :          END DO
     347             : 
     348          28 :          CALL cp_print_key_finished_output(iw, logger, print_section, "")
     349             : 
     350             :       END IF
     351             : 
     352        9727 :       CALL timestop(handle)
     353             : 
     354       19454 :    END SUBROUTINE write_mos_molden
     355             : 
     356             : ! **************************************************************************************************
     357             : !> \brief Output MO coefficients formatted correctly for MOLDEN, omitting those <= 1E(-digits)
     358             : !> \param iw       output file unit
     359             : !> \param fmtstr1  format string
     360             : !> \param ndigits  number of significant digits in MO coefficients
     361             : !> \param irow_in  index of the first atomic orbital: mo_coeff(orbmap(1))
     362             : !> \param orbmap   array to map Gaussian functions from MOLDEN to CP2K ordering
     363             : !> \param mo_coeff MO coefficients
     364             : ! **************************************************************************************************
     365        1336 :    SUBROUTINE print_coeffs(iw, fmtstr1, ndigits, irow_in, orbmap, mo_coeff)
     366             :       INTEGER, INTENT(in)                                :: iw
     367             :       CHARACTER(LEN=*), INTENT(in)                       :: fmtstr1
     368             :       INTEGER, INTENT(in)                                :: ndigits, irow_in
     369             :       INTEGER, DIMENSION(molden_ncomax), INTENT(in)      :: orbmap
     370             :       REAL(KIND=dp), DIMENSION(:), INTENT(in)            :: mo_coeff
     371             : 
     372             :       INTEGER                                            :: orbital
     373             : 
     374       21376 :       DO orbital = 1, molden_ncomax
     375       21376 :          IF (orbmap(orbital) /= 0) THEN
     376        2504 :             IF (ABS(mo_coeff(orbmap(orbital))) >= 10.0_dp**(-ndigits)) THEN
     377        1576 :                WRITE (iw, fmtstr1) irow_in + orbital - 1, mo_coeff(orbmap(orbital))
     378             :             END IF
     379             :          END IF
     380             :       END DO
     381             : 
     382        1336 :    END SUBROUTINE print_coeffs
     383             : 
     384             : ! **************************************************************************************************
     385             : !> \brief writes the output for vibrational analysis in MOLDEN format
     386             : !> \param input ...
     387             : !> \param particles ...
     388             : !> \param freq ...
     389             : !> \param eigen_vec ...
     390             : !> \param intensities ...
     391             : !> \param calc_intens ...
     392             : !> \param dump_only_positive ...
     393             : !> \param logger ...
     394             : !> \param list array of mobile atom indices
     395             : !> \author Florian Schiffmann 11.2007
     396             : ! **************************************************************************************************
     397          54 :    SUBROUTINE write_vibrations_molden(input, particles, freq, eigen_vec, intensities, calc_intens, &
     398             :                                       dump_only_positive, logger, list)
     399             : 
     400             :       TYPE(section_vals_type), POINTER                   :: input
     401             :       TYPE(particle_type), DIMENSION(:), POINTER         :: particles
     402             :       REAL(KIND=dp), DIMENSION(:)                        :: freq
     403             :       REAL(KIND=dp), DIMENSION(:, :)                     :: eigen_vec
     404             :       REAL(KIND=dp), DIMENSION(:), POINTER               :: intensities
     405             :       LOGICAL, INTENT(in)                                :: calc_intens, dump_only_positive
     406             :       TYPE(cp_logger_type), POINTER                      :: logger
     407             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: list
     408             : 
     409             :       CHARACTER(len=*), PARAMETER :: routineN = 'write_vibrations_molden'
     410             : 
     411             :       CHARACTER(LEN=2)                                   :: element_symbol
     412             :       INTEGER                                            :: handle, i, iw, j, k, l, z
     413          54 :       INTEGER, ALLOCATABLE, DIMENSION(:)                 :: my_list
     414             :       REAL(KIND=dp)                                      :: fint
     415             : 
     416          54 :       CALL timeset(routineN, handle)
     417             : 
     418             :       iw = cp_print_key_unit_nr(logger, input, "VIBRATIONAL_ANALYSIS%PRINT%MOLDEN_VIB", &
     419          54 :                                 extension=".mol", file_status='REPLACE')
     420             : 
     421          54 :       IF (iw .GT. 0) THEN
     422          27 :          CPASSERT(MOD(SIZE(eigen_vec, 1), 3) == 0)
     423          27 :          CPASSERT(SIZE(freq, 1) == SIZE(eigen_vec, 2))
     424          81 :          ALLOCATE (my_list(SIZE(particles)))
     425             :          ! Either we have a list of the subset of mobile atoms,
     426             :          ! Or the eigenvectors must span the full space (all atoms)
     427          27 :          IF (PRESENT(list)) THEN
     428          57 :             my_list(:) = 0
     429          54 :             DO i = 1, SIZE(list)
     430          54 :                my_list(list(i)) = i
     431             :             END DO
     432             :          ELSE
     433          12 :             CPASSERT(SIZE(particles) == SIZE(eigen_vec, 1)/3)
     434         443 :             DO i = 1, SIZE(my_list)
     435         443 :                my_list(i) = i
     436             :             END DO
     437             :          END IF
     438          27 :          WRITE (iw, '(T2,A)') "[Molden Format]"
     439          27 :          WRITE (iw, '(T2,A)') "[Atoms] AU"
     440         500 :          DO i = 1, SIZE(particles)
     441             :             CALL get_atomic_kind(atomic_kind=particles(i)%atomic_kind, &
     442         473 :                                  element_symbol=element_symbol)
     443         473 :             CALL get_ptable_info(element_symbol, number=z)
     444             : 
     445             :             WRITE (iw, '(T2,A2,I8,I8,3X,3(F12.6,3X))') &
     446        1919 :                element_symbol, i, z, particles(i)%r(:)
     447             : 
     448             :          END DO
     449          27 :          WRITE (iw, '(T2,A)') "[FREQ]"
     450         159 :          DO i = 1, SIZE(freq, 1)
     451         159 :             IF ((.NOT. dump_only_positive) .OR. (freq(i) >= 0._dp)) WRITE (iw, '(T5,F12.6)') freq(i)
     452             :          END DO
     453          27 :          WRITE (iw, '(T2,A)') "[FR-COORD]"
     454         500 :          DO i = 1, SIZE(particles)
     455             :             CALL get_atomic_kind(atomic_kind=particles(i)%atomic_kind, &
     456         473 :                                  element_symbol=element_symbol)
     457             :             WRITE (iw, '(T2,A2,3X,3(F12.6,3X))') &
     458        1919 :                element_symbol, particles(i)%r(:)
     459             :          END DO
     460          27 :          WRITE (iw, '(T2,A)') "[FR-NORM-COORD]"
     461          27 :          l = 0
     462         159 :          DO i = 1, SIZE(eigen_vec, 2)
     463         159 :             IF ((.NOT. dump_only_positive) .OR. (freq(i) >= 0._dp)) THEN
     464         132 :                l = l + 1
     465         132 :                WRITE (iw, '(T2,A,1X,I6)') "vibration", l
     466        4071 :                DO j = 1, SIZE(particles)
     467        4071 :                   IF (my_list(j) .NE. 0) THEN
     468        3927 :                      k = (my_list(j) - 1)*3
     469        3927 :                      WRITE (iw, '(T2,3(F12.6,3X))') eigen_vec(k + 1, i), eigen_vec(k + 2, i), eigen_vec(k + 3, i)
     470             :                   ELSE
     471          12 :                      WRITE (iw, '(T2,3(F12.6,3X))') 0.0_dp, 0.0_dp, 0.0_dp
     472             :                   END IF
     473             :                END DO
     474             :             END IF
     475             :          END DO
     476          27 :          IF (calc_intens) THEN
     477          18 :             fint = massunit
     478             :             ! intensity units are a.u./amu
     479          18 :             WRITE (iw, '(T2,A)') "[INT]"
     480         118 :             DO i = 1, SIZE(intensities)
     481         118 :                IF ((.NOT. dump_only_positive) .OR. (freq(i) >= 0._dp)) WRITE (iw, '(3X,F18.6)') fint*intensities(i)**2
     482             :             END DO
     483             :          END IF
     484          27 :          DEALLOCATE (my_list)
     485             :       END IF
     486          54 :       CALL cp_print_key_finished_output(iw, logger, input, "VIBRATIONAL_ANALYSIS%PRINT%MOLDEN_VIB")
     487             : 
     488          54 :       CALL timestop(handle)
     489             : 
     490          54 :    END SUBROUTINE write_vibrations_molden
     491             : 
     492             : END MODULE molden_utils

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