../../td/EquilibriumCrystalStructure__TD_457028483760_001/runner Si A_tI8_139_h a c/a x1 standard 1 6.6881 0.57703982 0.8213634 Sim_LAMMPS_Buckingham_FreitasSantosColaco_2015_SiCaOAl__SM_154093256665_000