element=lattice type=modelname=Nb fcc EAM_Dynamo_FarkasJones_1996_NbTiAl__MO_042691367780_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Failed to perform relaxation using initial lattice constant guess of 2.5 Angstroms Attempting to perform relaxation using initial lattice constant guess of 3.0 Angstroms Optimization terminated successfully. Current function value: -7.258168 Iterations: 29 Function evaluations: 60 {'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': 7.25816796617111, 'space_group': 'Fm-3m', 'element': 'Nb', 'lattice_constant': 4.149672389030458, 'wyckoff_code': '4a', 'crystal_structure': 'fcc', 'iterations': 29, 'warnflag': 0, 'species': 'Nb" "Nb" "Nb" "Nb', 'func_calls': 60}