element=lattice type=modelname=Pb fcc EAM_Dynamo_ZhouWadleyJohnson_2001NISTretabulation_Pb__MO_988703794028_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Failed to perform relaxation using initial lattice constant guess of 2.5 Angstroms Attempting to perform relaxation using initial lattice constant guess of 3.0 Angstroms Optimization terminated successfully. Current function value: -8.079992 Iterations: 38 Function evaluations: 77 {'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]]', 'repeat': 0, 'cohesive_energy': 2.019998095555081, 'space_group': 'Fm-3m', 'element': 'Pb', 'lattice_constant': 4.949355715513235, 'wyckoff_code': '4a', 'crystal_structure': 'fcc', 'iterations': 38, 'warnflag': 0, 'species': 'Pb" "Pb" "Pb" "Pb', 'func_calls': 77}