element: Cu lattice type: diamond modelname: EAM_Dynamo_MendelevKramerOtt_2009_CuZr__MO_600021860456_005 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -17.110849 Iterations: 32 Function evaluations: 67 {'lattice_constant': 5.520137846469879, 'cohesive_energy': 2.138856178975569, 'element': 'Cu', 'species': 'Cu" "Cu" "Cu" "Cu" "Cu" "Cu" "Cu" "Cu', 'crystal_structure': 'diamond', 'space_group': 'Fd-3m', 'wyckoff_code': '8a', 'basis_atoms': '[[0.0 0.0 0.0] [0.25 0.25 0.25] [0.5 0.5 0.0] [0.75 0.75 0.25] [0.5 0.0 0.5] [0.75 0.25 0.75] [0.0 0.5 0.5] [0.25 0.75 0.75]]', 'iterations': 32, 'func_calls': 67, 'warnflag': 0, 'repeat': 0}