| 51 |  | DefineOptionalParameterWithDefaultValue(DistanceType, "DistanceType", "sigma"); | 
| 52 |  | DefineOptionalParameterWithDefaultValue(EnergyMixingRule, "EnergyMixingRule", "geometric"); | 
| 53 |  | DefineOptionalParameterWithDefaultValue(EnergyUnitScaling, "EnergyUnitScaling", 1.0); | 
| 54 | + | DefineOptionalParameterWithDefaultValue(MetallicEnergyUnitScaling, "MetallicEnergyUnitScaling", 1.0); | 
| 55 |  | DefineOptionalParameterWithDefaultValue(DistanceUnitScaling, "DistanceUnitScaling", 1.0); | 
| 56 |  | DefineOptionalParameterWithDefaultValue(AngleUnitScaling, "AngleUnitScaling", 1.0); | 
| 57 |  | DefineOptionalParameterWithDefaultValue(TorsionAngleConvention, "TorsionAngleConvention", "180_is_trans"); | 
| 58 |  | DefineOptionalParameterWithDefaultValue(vdw14scale, "vdW-14-scale", 0.0); | 
| 59 |  | DefineOptionalParameterWithDefaultValue(electrostatic14scale, "electrostatic-14-scale", 0.0) | 
| 59 | – | DefineOptionalParameterWithDefaultValue(dielectric, "dielectric", 1.0); | 
| 60 |  | DefineOptionalParameterWithDefaultValue(GayBerneMu, "GayBerneMu", 2.0); | 
| 61 |  | DefineOptionalParameterWithDefaultValue(GayBerneNu, "GayBerneNu", 1.0); | 
| 62 |  | } |