element: Mg lattice type: diamond 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: -5.781278 Iterations: 33 Function evaluations: 67 {'lattice_constant': 6.908301472663879, 'cohesive_energy': 0.7226597815463934, 'element': 'Mg', 'species': 'Mg" "Mg" "Mg" "Mg" "Mg" "Mg" "Mg" "Mg', 'crystal_structure': 'diamond', 'space_group': 'Fd-3m', 'wyckoff_code': '8a', 'basis_atoms': '[[0.0 0.0 0.0] [0.25 0.25 0.25] [0.5 0.5 0.0] [0.75 0.75 0.25] [0.5 0.0 0.5] [0.75 0.25 0.75] [0.0 0.5 0.5] [0.25 0.75 0.75]]', 'iterations': 33, 'func_calls': 67, 'warnflag': 0, 'repeat': 0}