element: Ca lattice type: fcc modelname: EAM_IMD_BrommerGaehlerMihalkovic_2007_CaCd__MO_145183423516_003 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -4.226310 Iterations: 34 Function evaluations: 70 {'lattice_constant': 5.6709064245224, 'cohesive_energy': 1.0565774697731372, 'element': 'Ca', 'species': 'Ca" "Ca" "Ca" "Ca', 'crystal_structure': 'fcc', 'space_group': 'Fm-3m', 'wyckoff_code': '4a', 'basis_atoms': '[[0.0 0.0 0.0] [0.5 0.5 0.0] [0.5 0.0 0.5] [0.0 0.5 0.5]]', 'iterations': 34, 'func_calls': 70, 'warnflag': 0, 'repeat': 0}