../../td/EquilibriumCrystalStructure__TD_457028483760_001/runner Fe N A3B_hP8_182_g_c a c/a x2 standard 1 4.9634 0.91527985 0.69108464 MEAM_LAMMPS_LeeLeeKim_2006_FeN__MO_432861766738_002