element: W lattice type: fcc modelname: SNAP_LiChenZheng_2019_NbTaWMo__MO_560387080449_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -29.755265 Iterations: 31 Function evaluations: 63 {'lattice_constant': 4.010717555880547, 'cohesive_energy': 7.438816277010251, 'element': 'W', 'species': 'W" "W" "W" "W', '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}