element: Fe lattice type: bcc modelname: Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Fe__MO_984358344196_003 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -8.260841 Iterations: 27 Function evaluations: 56 {'lattice_constant': 2.868830233812332, 'cohesive_energy': 4.130420746562632, 'element': 'Fe', 'species': 'Fe" "Fe', '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': 56, 'warnflag': 0, 'repeat': 0}