&FORCE_EVAL
  METHOD Fist
  &MM
    &FORCEFIELD
      &CHARGE
        ATOM U
        CHARGE 2.4
      &END
      &CHARGE
        ATOM O
        CHARGE -1.2
      &END
      &NONBONDED
        &BUCKMORSE
          atoms U  O
          F0 [eV*angstrom^-1] 0.04222
          A1 [angstrom] 1.63
          A2 [angstrom] 1.91
          B1 [angstrom] 0.163511
          B2 [angstrom] 0.163511
          C  0.0
          D  [eV]   0.57745
          R0 [angstrom]  2.369
          BETA [angstrom^-1] 1.65
          RCUT 10.4
        &END BUCKMORSE
        &BUCKMORSE
          atoms O O
          F0 [eV*angstrom^-1] 0.04222
          A1 [angstrom] 1.91
          A2 [angstrom] 1.91
          B1 [angstrom] 0.163511
          B2 [angstrom] 0.163511
          C  [eV*angstrom^6]  3.9506332644
          D  [eV] 0.0
          R0 [angstrom]  1.0
          BETA [angstrom^-1] 1.0
          RCUT 10.4
        &END BUCKMORSE
        &BUCKMORSE
          atoms U U
          F0 [eV*angstrom^-1] 0.04222
          A1 [angstrom] 1.63
          A2 [angstrom] 1.63
          B1 [angstrom] 0.163511
          B2 [angstrom] 0.163511
          C  0.0
          D  [eV]  0.0
          R0 [angstrom]  1.0
          BETA [angstrom^-1] 1.0
          RCUT 10.4
        &END BUCKMORSE
      &END NONBONDED
    &END FORCEFIELD
    &POISSON
      &EWALD
        EWALD_TYPE spme
        ALPHA .44
        GMAX  64
      &END EWALD
    &END POISSON
  &END MM
  &SUBSYS
    &CELL
      ABC  10.936 10.936 10.936
    &END CELL
    &TOPOLOGY
      CONN_FILE ../sample_psf/uo2_2x2x2.psf
      CONNECTIVITY UPSF
      COORD_FILE ../sample_xyz/uo2_displ.xyz
      COORDINATE XYZ
    &END TOPOLOGY
    &KIND U
      MASS 238.03000
    &END
    &KIND O
      MASS 16.000
    &END
  &END SUBSYS
&END FORCE_EVAL
&GLOBAL
  PROJECT uo2_buckmorse_nve
  PRINT_LEVEL LOW
  RUN_TYPE MD
&END GLOBAL
&MOTION
  &MD
    ENSEMBLE NVE
    STEPS  20
    TIMESTEP 0.5
    TEMPERATURE 300.0
    &PRINT
      &ENERGY
        &EACH
          MD 1
        &END
      &END
      &SHELL_ENERGY LOW
        &EACH
          MD 1
        &END
      &END
    &END PRINT
  &END MD
  &PRINT
    &TRAJECTORY
      &EACH
        MD 1
      &END
    &END
    &VELOCITIES
      &EACH
        MD 1000
      &END
    &END
    &STRESS
      &EACH
        MD 1
      &END
    &END
    &RESTART
      &EACH
        MD 5
      &END
    &END
    &RESTART_HISTORY
      &EACH
        MD 1000
      &END
    &END
  &END
&END MOTION
