element: Cu lattice type: bcc modelname: Sim_LAMMPS_MEAM_JelinekGrohHorstemeyer_2012_AlSiMgCuFe__SM_656517352485_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -6.871512 Iterations: 27 Function evaluations: 54 {'lattice_constant': 2.871003895998001, 'cohesive_energy': 3.4357558003210174, 'element': 'Cu', 'species': 'Cu" "Cu', 'crystal_structure': 'bcc', 'space_group': 'Im-3m', 'wyckoff_code': '2a', 'basis_atoms': '[[0.0 0.0 0.0] [0.5 0.5 0.5]]', 'iterations': 27, 'func_calls': 54, 'warnflag': 0, 'repeat': 0}