&FORCE_EVAL
  METHOD FIST
  &MM
    &FORCEFIELD
      parm_file_name ../sample_pot/pentadiene.pot
      parmtype CHM
    &END FORCEFIELD
    &POISSON
      &EWALD
        EWALD_TYPE ewald
        ALPHA .36
        GMAX 29
      &END EWALD
    &END POISSON
  &END MM
  &SUBSYS
    &CELL
      ABC 50.0 50.0 50.0
    &END CELL
    &TOPOLOGY
      CHARGE_BETA
      CONN_FILE_NAME ../sample_psf/pentadiene.psf
      CONNECTIVITY UPSF
      COORD_FILE_NAME ../sample_pdb/pentadiene.pdb
      COORDINATE PDB
      EXCLUDE_EI 1-3
      EXCLUDE_VDW 1-3
    &END TOPOLOGY
    &PRINT
      &TOPOLOGY_INFO
        UTIL_INFO
      &END
    &END
  &END SUBSYS
&END FORCE_EVAL
&GLOBAL
  PROJECT pentadiene
  PRINT_LEVEL DEBUG
  RUN_TYPE md
&END GLOBAL
&MOTION
  &MD
    ENSEMBLE NVE
    STEPS 10
    TIMESTEP 2.5
    TEMPERATURE 0.0
  &END MD
&END MOTION
