ATOM_TYPE_DICT = "atom_type_dict"
BOND_TYPE_DICT = "bond_type_dict"
ANGLE_TYPE_DICT = "angle_type_dict"
DIHEDRAL_TYPE_DICT = "dihedral_type_dict"
IMPROPER_TYPE_DICT = "improper_type_dict"
PAIRPOTENTIAL_TYPE_DICT = "pairpotential_type_dict"

UNIT_WARNING_STRING = "{0} are assumed to be in units of {1}"
FF_TOKENS_SEPARATOR = "~"
