element: Fr lattice type: sc 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: -2.053266 Iterations: 34 Function evaluations: 70 {'lattice_constant': 4.950259312987328, 'cohesive_energy': 2.053266215140394, 'element': 'Fr', 'species': 'Fr', 'crystal_structure': 'sc', 'space_group': 'Pm-3m', 'wyckoff_code': '1a', 'basis_atoms': '[[0.0 0.0 0.0]]', 'iterations': 34, 'func_calls': 70, 'warnflag': 0, 'repeat': 0}