element: Ni lattice type: fcc modelname: EAM_IMD_BrommerGaehler_2006A_AlNiCo__MO_122703700223_003 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: 11.631659 Iterations: 25 Function evaluations: 50 {'lattice_constant': 2.5709721371531487, 'cohesive_energy': -2.9079147441434303, 'element': 'Ni', 'species': 'Ni" "Ni" "Ni" "Ni', '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': 25, 'func_calls': 50, 'warnflag': 0, 'repeat': 0}