element: P lattice type: fcc modelname: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -167.513826 Iterations: 27 Function evaluations: 56 {'lattice_constant': 2.943055182695389, 'cohesive_energy': 41.87845660611932, 'element': 'P', 'species': 'P" "P" "P" "P', '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': 27, 'func_calls': 56, 'warnflag': 0, 'repeat': 0}