element: Fe lattice type: sc modelname: MEAM_LAMMPS_KimJungLee_2010_FeNbC__MO_072689718616_002 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -5.679046 Iterations: 26 Function evaluations: 52 {'lattice_constant': 2.7497520223259926, 'cohesive_energy': 5.6790464744681906, 'element': 'Fe', 'species': 'Fe', 'crystal_structure': 'sc', 'space_group': 'Pm-3m', 'wyckoff_code': '1a', 'basis_atoms': '[[0.0 0.0 0.0]]', 'iterations': 26, 'func_calls': 52, 'warnflag': 0, 'repeat': 0}