element: K lattice type: sc modelname: Morse_Shifted_GirifalcoWeizer_1959LowCutoff_K__MO_749732139672_004 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -0.739687 Iterations: 31 Function evaluations: 64 {'lattice_constant': 4.333877503871918, 'cohesive_energy': 0.7396872455697834, 'element': 'K', 'species': 'K', 'crystal_structure': 'sc', 'space_group': 'Pm-3m', 'wyckoff_code': '1a', 'basis_atoms': '[[0.0 0.0 0.0]]', 'iterations': 31, 'func_calls': 64, 'warnflag': 0, 'repeat': 0}