../../td/EquilibriumCrystalStructure__TD_457028483760_000/runner Ca Si AB2_tI24_141_c_h a c/a y2 z2 standard 1 5.8081 3.520635 0.031723534 0.15005553 LJ_ElliottAkerson_2015_Universal__MO_959249795837_003