element=lattice type=modelname=Nb sc EAM_MagneticCubic_DerletNguyenDudarev_2007_Nb__MO_218026715338_002 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -6.556146 Iterations: 26 Function evaluations: 52 {'basis_atoms': '[[0.0 0.0 0.0]]', 'repeat': 0, 'cohesive_energy': 6.5561460546243335, 'space_group': 'Pm-3m', 'element': 'Nb', 'lattice_constant': 2.7239861860871315, 'wyckoff_code': '1a', 'crystal_structure': 'sc', 'iterations': 26, 'warnflag': 0, 'species': 'Nb', 'func_calls': 52} Potential info: Nb potential Atomic number: 41