element: Ca lattice type: sc modelname: Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Ca__MO_159753408472_002 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -1.520343 Iterations: 31 Function evaluations: 63 {'lattice_constant': 3.6445673555135727, 'cohesive_energy': 1.520343102150766, 'element': 'Ca', 'species': 'Ca', 'crystal_structure': 'sc', 'space_group': 'Pm-3m', 'wyckoff_code': '1a', 'basis_atoms': '[[0.0 0.0 0.0]]', 'iterations': 31, 'func_calls': 63, 'warnflag': 0, 'repeat': 0}