../../td/EquilibriumCrystalStructure__TD_457028483760_002/runner Fe H O ABC2_oC16_63_c_a_2c a b/a c/a y2 y3 y4 standard 1 3.0858 3.8669713 1.2789228 0.3266434 0.70779223 0.93969309 LJ_ElliottAkerson_2015_Universal__MO_959249795837_003