element=lattice type=modelname=Pb bcc Pair_Morse_Shifted_GirifalcoWeizer_HighCutoff_Pb__MO_370271093517_001 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -2.010451 Iterations: 30 Function evaluations: 61 {'basis_atoms': '[[0.0 0.0 0.0] [0.5 0.5 0.5]]', 'repeat': 0, 'cohesive_energy': 2.0104510954688775, 'space_group': 'Im-3m', 'element': 'Pb', 'lattice_constant': 3.9223469346761703, 'wyckoff_code': '2a', 'crystal_structure': 'bcc', 'iterations': 30, 'warnflag': 0, 'species': 'Pb" "Pb', 'func_calls': 61}