element: Co lattice type: fcc modelname: EAM_IMD_BrommerGaehler_2006B_AlNiCo__MO_128037485276_003 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: 0.067536 Iterations: 31 Function evaluations: 63 {'lattice_constant': 3.9661833196878433, 'cohesive_energy': -0.01688409474593744, 'element': 'Co', 'species': 'Co" "Co" "Co" "Co', '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': 31, 'func_calls': 63, 'warnflag': 0, 'repeat': 0}