element: Sn lattice type: sc modelname: MEAM_LAMMPS_KimJeonLee_2015_MgSn__MO_935641703527_001 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -3.080005 Iterations: 28 Function evaluations: 56 {'lattice_constant': 3.056988947093487, 'cohesive_energy': 3.0800053141019563, 'element': 'Sn', 'species': 'Sn', 'crystal_structure': 'sc', 'space_group': 'Pm-3m', 'wyckoff_code': '1a', 'basis_atoms': '[[0.0 0.0 0.0]]', 'iterations': 28, 'func_calls': 56, 'warnflag': 0, 'repeat': 0}