element=lattice type=modelname=Fe sc model_Fe_PF_chiesa_quinticsplines__MO_140444321607_001 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -12.947726 Iterations: 27 Function evaluations: 54 {'basis_atoms': '[[0.0 0.0 0.0]]', 'repeat': 0, 'cohesive_energy': 12.94772595050152, 'space_group': 'Pm-3m', 'element': 'Fe', 'lattice_constant': 2.2389805763959885, 'wyckoff_code': '1a', 'crystal_structure': 'sc', 'iterations': 27, 'warnflag': 0, 'species': 'Fe', 'func_calls': 54} Using Fe improved magnetic potential with 5th order knot functions