geo_opt.inp 1.62 KB
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&GLOBAL
  PROJECT H2O
  RUN_TYPE GEO_OPT
  PRINT_LEVEL MEDIUM
&END GLOBAL
&FORCE_EVAL
  METHOD QS
  &SUBSYS
    &CELL
      ABC 12.4138 12.4138 12.4138
    &END CELL
    &COORD
      O      12.235322       1.376642      10.869880
      H      12.415139       2.233125      11.257611
      H      11.922476       1.573799       9.986994
    &END COORD
    &KIND H
      BASIS_SET DZVP-GTH-PADE
      POTENTIAL GTH-PADE-q1
    &END KIND
    &KIND O
      BASIS_SET DZVP-GTH-PADE
      POTENTIAL GTH-PADE-q6
    &END KIND
  &END SUBSYS
  &DFT
    BASIS_SET_FILE_NAME ../../../BASIS_SET
    POTENTIAL_FILE_NAME ../../../GTH_POTENTIALS
    &QS
      EPS_DEFAULT 1.0E-7
    &END QS
    &MGRID
      CUTOFF 100
      NGRIDS 3
      REL_CUTOFF 20
    &END MGRID
    &SCF
      SCF_GUESS ATOMIC
      EPS_SCF 1.0E-05
      MAX_SCF 200
      &DIAGONALIZATION T
        ALGORITHM STANDARD
      &END DIAGONALIZATION
      &MIXING T
        ALPHA 0.5
        METHOD PULAY_MIXING
        NPULAY 5
      &END MIXING
      &PRINT
        &RESTART OFF
        &END RESTART
      &END PRINT
    &END SCF
    &XC
      &XC_FUNCTIONAL PADE
      &END XC_FUNCTIONAL
    &END XC
  &END DFT
&END FORCE_EVAL
&MOTION
  &GEO_OPT
    TYPE MINIMIZATION
    MAX_DR    1.0E-03
    MAX_FORCE 1.0E-03
    RMS_DR    1.0E-03
    RMS_FORCE 1.0E-03
    MAX_ITER 200
    OPTIMIZER CG
    &CG
      MAX_STEEP_STEPS  0
      RESTART_LIMIT 9.0E-01
    &END CG
  &END GEO_OPT
  &CONSTRAINT
    &FIXED_ATOMS
      COMPONENTS_TO_FIX XYZ
      LIST 1
    &END FIXED_ATOMS
  &END CONSTRAINT
  &PRINT
    &TRAJECTORY
      FILENAME geometry
      FORMAT XYZ
    &END TRAJECTORY
  &END PRINT
&END MOTION