Running msi2lmp v3.9.9 / 05 Nov 2018 Forcefield: Class I Forcefield file name: ./clayff.frc Output is recentered around geometrical center Output contains style flag hints System translated by: 0.163558 0.344587 -0.000698218 Reading car file: Otay-MMT_12x7.car Reading mdf file: Otay-MMT_12x7.mdf Building internal coordinate lists Reading forcefield file Get force field parameters for this system Unable to find equivalent type for ob Unable to find equivalent type for st Unable to find bond data for ob st