../../td/EquilibriumCrystalStructure__TD_457028483760_002/runner Fe P AB2_oP6_58_a_g a b/a c/a x2 y2 standard 1 4.9346 1.1539132 0.55009525 0.82972729 0.62927186 LJ_ElliottAkerson_2015_Universal__MO_959249795837_003