&FORCE_EVAL
 METHOD QMMM
 &DFT
  &QS
   METHOD AM1
   &SE
   &END SE
  &END QS
  &SCF
   SCF_GUESS ATOMIC
  &END SCF
 &END DFT
 &MM
  &FORCEFIELD
   parm_file_name ../sample_pot/mol.pot
   parmtype CHM
   &SPLINE
    EMAX_SPLINE 100.0
   &END
  &END FORCEFIELD
  &POISSON
   &EWALD
    EWALD_TYPE spme
    GMAX 25 25 25
    ALPHA .44
    NS_MAX 50
   &END EWALD
  &END POISSON
 &END MM
 &QMMM
  &CELL
   ABC 10.0 10.0 10.0
  &END CELL
  ECOUPL NONE
  &QM_KIND C
   MM_INDEX 33 31 29 27 25 24
  &END QM_KIND
  &QM_KIND H
   MM_INDEX 34 32 30 28 26
  &END QM_KIND
  &LINK
   ALPHA 1.50
   FIST_SCALE_FACTOR 0.0
   LINK_TYPE IMOMM
   MM_INDEX 21
   QM_INDEX 24
  &END LINK
 &END
 &SUBSYS
  &CELL
   ABC 44.6753930  50.3729150  41.3744810
  &END CELL
  &TOPOLOGY
   COORD_FILE_NAME ../sample_pdb/mol.pdb
   COORDINATE pdb
   CONNECTIVITY PSF
   CONN_FILE_NAME ../sample_psf/mol.psf
  &END TOPOLOGY
 &END SUBSYS
&END FORCE_EVAL
&GLOBAL
 PROJECT mol
 RUN_TYPE MD
 PRINT_LEVEL low
&END GLOBAL
&MOTION
 &CONSTRAINT
  &G3X3
   DISTANCES 1.8897268 1.8897268 3.0859239
   MOLNAME WAT
   ATOMS 1 2 3
  &END G3X3
 &END CONSTRAINT
 &MD
  ENSEMBLE NVE
  STEPS 30
  TIMESTEP 1.0
  TEMPERATURE 300.0
 &END MD
 &PRINT
  &RESTART off
  &END
  &TRAJECTORY off
  &END
  &VELOCITIES off
  &END
 &END
&END MOTION
