pair_coeff * * 0.0 1.0 0.0 0.0 0.0
# Mg2+ is unpolarized and does not have non-Coulombic self-interactions
if """ $(is_typelabel(atom,Mg)) """ then &
""" mass Mg 24.305 """ &
""" set type Mg charge 2. """
if """ $(is_typelabel(atom,OC)) """ then &
""" mass OC 14.639 """ &
""" set type OC charge 0.9345 """
if """ $(is_typelabel(atom,OS)) """ then &
""" mass OS 1.360 """ &
""" set type OS charge -2.9345 """ &
""" pair_coeff OS OS 22764.5 0.1490 0.0 20.37 0.0 """
if """ $(is_typelabel(atom,Mg)) && $(is_typelabel(atom,OS)) """ then &
""" pair_coeff Mg OS 1346.6 0.2984 0.0 0.0 0.0 """
if """ $(is_typelabel(bond,OC-OS)) """ then &
""" bond_coeff OC-OS 51.71 0.0 """
if """ $(is_typelabel(bond,OS-OC)) """ then &
""" bond_coeff OS-OC 51.71 0.0 """