&GLOBAL
  PRINT_LEVEL LOW
  PROJECT ch3f
  RUN_TYPE MD                 # Molecular Dynamics
&END GLOBAL
&MOTION
  &MD                         # MD parameters
    ENSEMBLE NVT
    STEPS 200000
    TIMESTEP 0.5
    TEMPERATURE 1000.0
    &THERMOSTAT
      TYPE NOSE
      &NOSE
        TIMECON 100.
      &END NOSE
    &END THERMOSTAT
  &END MD
  &CONSTRAINT                 # Restraints to keep Cl from going too far
    &COLLECTIVE
      INTERMOLECULAR
      COLVAR 1
      TARGET 1.8
      &RESTRAINT
        K 0.005
      &END
    &END
    &COLLECTIVE
      INTERMOLECULAR
      COLVAR 2
      TARGET 1.8
      &RESTRAINT
        K 0.005
      &END
    &END
  &END

  &FREE_ENERGY                 # Section to print out the values of CVs every step
    &METADYN
      DO_HILLS .FALSE.
      &METAVAR
        SCALE 0.2
        COLVAR 1
      &END
      &METAVAR
        SCALE 0.2
        COLVAR 2
      &END
      &PRINT
        &COLVAR
          COMMON_ITERATION_LEVELS 3
          &EACH
            MD 1
          &END
        &END COLVAR
      &END PRINT
    &END METADYN
  &END FREE_ENERGY
&END MOTION

&FORCE_EVAL
  METHOD Quickstep
  &DFT
   ... Same as before ...
  &END DFT

  &SUBSYS
    &CELL
      ABC 10.0 10.0 10.0
      PERIODIC NONE
    &END CELL
    &COORD
C      -4.03963494       0.97427857      -0.29785096
H      -3.97152206       2.11080568      -0.35500445
H      -3.95108814       0.19729141       0.53163699
H      -3.95810737       0.47922964      -1.32151084
Cl     -5.77885435       1.07089312      -0.04609427
Cl     -1.77974793       0.99422072      -0.29785096
    &END COORD

    &COLVAR                    # CV definitions
      &DISTANCE
        ATOMS 1 5
      &END
    &END COLVAR
    &COLVAR
      &DISTANCE
        ATOMS 1 6
      &END
    &END COLVAR
   &END SUBSYS
&END FORCE_EVAL