element=lattice type=modelname=Rb sc Pair_Morse_Shifted_GirifalcoWeizer_MedCutoff_Rb__MO_147245690895_001 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -0.785190 Iterations: 32 Function evaluations: 66 {'basis_atoms': '[[0.0 0.0 0.0]]', 'repeat': 0, 'cohesive_energy': 0.7851904195931625, 'space_group': 'Pm-3m', 'element': 'Rb', 'lattice_constant': 4.555716693401337, 'wyckoff_code': '1a', 'crystal_structure': 'sc', 'iterations': 32, 'warnflag': 0, 'species': 'Rb', 'func_calls': 66}