element: Ni lattice type: sc modelname: EAM_CubicNaturalSpline_AngeloMoody_1995_Ni__MO_800536961967_003 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -3.975684 Iterations: 26 Function evaluations: 53 {'lattice_constant': 2.3696091771125793, 'cohesive_energy': 3.975684342760925, 'element': 'Ni', 'species': 'Ni', 'crystal_structure': 'sc', 'space_group': 'Pm-3m', 'wyckoff_code': '1a', 'basis_atoms': '[[0.0 0.0 0.0]]', 'iterations': 26, 'func_calls': 53, 'warnflag': 0, 'repeat': 0}