&FORCE_EVAL
  METHOD FIST
  &MM
    &FORCEFIELD
      &CHARGE
        ATOM H
        CHARGE 1.0
      &END CHARGE
      &NONBONDED
        &LENNARD-JONES
          ATOMS       H H
          EPSILON  [kjmol] 0.0
          SIGMA    [angstrom]   5.0
          RCUT           10.0
        &END LENNARD-JONES
      &END
    &END FORCEFIELD
    &POISSON
      &EWALD
        EWALD_TYPE spme
        ALPHA .44
        GMAX 100
        O_SPLINE 6
      &END EWALD
      PERIODIC NONE
      POISSON_SOLVER ANALYTIC
   &END POISSON
  &END MM
  &SUBSYS
    &CELL
      ABC 25.0 25.0 25.0
      PERIODIC NONE
    &END CELL
    &COORD
H 0.0 0.0 0.0
    &END
  &END SUBSYS
&END FORCE_EVAL
&GLOBAL
  PROJECT H+
  RUN_TYPE energy
  PRINT_LEVEL HIGH
&END GLOBAL
