element=lattice type=modelname=Pb fcc Pair_Morse_Shifted_GirifalcoWeizer_LowCutoff_Pb__MO_534638645497_001 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -1.918391 Iterations: 32 Function evaluations: 64 {'basis_atoms': '[[0.0 0.0 0.0] [0.0 0.5 0.5] [0.5 0.0 0.5] [0.5 0.5 0.0]]', 'repeat': 0, 'cohesive_energy': 1.9183906571206626, 'space_group': 'Fm-3m', 'element': 'Pb', 'lattice_constant': 4.95655795186758, 'wyckoff_code': '4a', 'crystal_structure': 'fcc', 'iterations': 32, 'warnflag': 0, 'species': 'Pb" "Pb" "Pb" "Pb', 'func_calls': 64}