| 1 | // This is the forcefield file for the Sutton-Chen formulation of the Finnis-Sinclair metallic potential | 
| 2 | // Useing the quantum corrections due to Kimura, Qi, Cagin and Goddard. For example see | 
| 3 | // PHYSICAL REVIEW B 59 (5): 3468-3473 FEB 1 1999 | 
| 4 |  | 
| 5 | begin Options | 
| 6 | Name                   SCQSC | 
| 7 | DistanceMixingRule     Arithmetic | 
| 8 | EnergyMixingRule       Geometric | 
| 9 | //  energy unit are eV. Convert to kcal/mol | 
| 10 | MetallicEnergyUnitScaling      23.0605423 | 
| 11 | end Options | 
| 12 |  | 
| 13 |  | 
| 14 | begin BaseAtomTypes | 
| 15 | //Name        mass(amu) | 
| 16 | Ni      58.710 | 
| 17 | Cu      63.550 | 
| 18 | Rh      102.90550 | 
| 19 | Pd      106.42 | 
| 20 | Ag      107.8682 | 
| 21 | Ir      192.217 | 
| 22 | Pt      195.09 | 
| 23 | Au      196.97 | 
| 24 | end BaseAtomTypes | 
| 25 |  | 
| 26 |  | 
| 27 | begin SCAtomTypes | 
| 28 | // Name  epsilon(eV)      c      m       n      alpha(angstroms) | 
| 29 | Ni      0.0073767       84.745  5.0     10.0    3.5157 | 
| 30 | Cu      0.0057921       84.843  5.0     10.0    3.6030 | 
| 31 | Rh      0.0024612       305.499 5.0     13.0    3.7984 | 
| 32 | Pd      0.0032864       148.205 6.0     12.0    3.8813 | 
| 33 | Ag      0.0039450       96.524  6.0     11.0    4.0691 | 
| 34 | Ir      0.0037674       224.815 6.0     13.0    3.8344 | 
| 35 | Pt      0.0097894       71.336  7.0     11.0    3.9163 | 
| 36 | Au      0.0078052       53.581  8.0     11.0    4.0651 | 
| 37 | end SCAtomTypes |