element: Cu lattice type: fcc modelname: MEAM_LAMMPS_LeeWirthShim_2005_FeCu__MO_063626065437_001 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -14.160000 Iterations: 30 Function evaluations: 60 {'lattice_constant': 3.613315634429455, 'cohesive_energy': 3.5400000001349947, 'element': 'Cu', 'species': 'Cu" "Cu" "Cu" "Cu', 'crystal_structure': 'fcc', 'space_group': 'Fm-3m', 'wyckoff_code': '4a', 'basis_atoms': '[[0.0 0.0 0.0] [0.5 0.5 0.0] [0.5 0.0 0.5] [0.0 0.5 0.5]]', 'iterations': 30, 'func_calls': 60, 'warnflag': 0, 'repeat': 0}