../../td/EquilibriumCrystalStructure__TD_457028483760_001/runner Al Mg Si A2BC2_hP5_164_d_a_d a c/a z2 z3 standard 1 4.0801 1.6376314 0.63338121 0.24334825 LJ_ElliottAkerson_2015_Universal__MO_959249795837_003