element=lattice type=modelname=K fcc Morse_Shifted_GirifalcoWeizer_1959LowCutoff_K__MO_749732139672_002 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -3.338877 Iterations: 33 Function evaluations: 68 {'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]]', 'repeat': 0, 'cohesive_energy': 0.8347192070002117, 'space_group': 'Fm-3m', 'element': 'K', 'lattice_constant': 6.7662025690078735, 'wyckoff_code': '4a', 'crystal_structure': 'fcc', 'iterations': 33, 'warnflag': 0, 'species': 'K" "K" "K" "K', 'func_calls': 68}