element=lattice type=modelname=Ar fcc Pair_Lennard_Jones_Truncated_Nguyen_Ar__MO_398194508715_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -0.087294 Iterations: 35 Function evaluations: 72 {'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': 0.087294039081801, 'space_group': 'Fm-3m', 'element': 'Ar', 'lattice_constant': 5.2468697130680084, 'wyckoff_code': '4a', 'crystal_structure': 'fcc', 'iterations': 35, 'warnflag': 0, 'species': 'Ar" "Ar" "Ar" "Ar', 'func_calls': 72}