../../td/EquilibriumCrystalStructure__TD_457028483760_002/runner Pt Ti A8B_tI18_139_hi_a a c/a x2 x3 standard 1 8.3895 0.46865725 0.66233709 0.6706825 LJ_ElliottAkerson_2015_Universal__MO_959249795837_003