&FORCE_EVAL
  METHOD FIST
  &MM
    &FORCEFIELD
      parm_file_name ../sample_pot/wat125.pot
      parmtype CHM
      &spline
        EMAX_SPLINE 1.0
      &end
      &CHARGE
        ATOM 62
        CHARGE -0.8476
      &END CHARGE
      &CHARGE
        ATOM 3
        CHARGE 0.4238
      &END CHARGE
    &END FORCEFIELD
    &POISSON
      &EWALD
        EWALD_TYPE spme
        ALPHA .44
        GMAX 30
        O_SPLINE 6
      &END EWALD
    &END POISSON
  &END MM
  &SUBSYS
    &CELL
      ABC 15.0 15.0 15.0 
    &END CELL
    &TOPOLOGY
      COORD_FILE_NAME ../sample_xyz/wat125.xyz
      COORDINATE XYZ
      CONNECTIVITY PSF
      CONN_FILE_NAME ../sample_psf/wat125.psf
      &DUMP_PDB
      &END
      &DUMP_PSF
      &END
    &END TOPOLOGY
    &KIND 62
      ELEMENT O
    &END
    &KIND  3
      ELEMENT H
    &END
  &END SUBSYS
&END FORCE_EVAL
&GLOBAL
  PROJECT wat125
  RUN_TYPE MD
  PRINT_LEVEL LOW
&END GLOBAL
&MOTION
  &MD
    ENSEMBLE NVE
    STEPS 10
    TIMESTEP 1.0
    TEMPERATURE 298
  &END MD
&END MOTION
