element=lattice type=modelname=Ar fcc 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: -0.411347 Iterations: 27 Function evaluations: 56 {'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': 0.10283672718485737, 'space_group': 'Fm-3m', 'element': 'Ar', 'lattice_constant': 2.9155622124671936, 'wyckoff_code': '4a', 'crystal_structure': 'fcc', 'iterations': 27, 'warnflag': 0, 'species': 'Ar" "Ar" "Ar" "Ar', 'func_calls': 56}