../../td/EquilibriumCrystalStructure__TD_457028483760_002/runner H Si AB_hP4_164_d_d a c/a z1 z2 standard 1 3.8789 1.4818119 0.67598613 0.93726379 LJ_ElliottAkerson_2015_Universal__MO_959249795837_003