../../td/EquilibriumCrystalStructure__TD_457028483760_002/runner Sn A_tI2_139_a a c/a standard 2 4.0868 0.85281883 3.4699 1.4037869 MEAM_LAMMPS_EtesamiBaskesLaradji_2018_PbSn__MO_162736908871_002