element=lattice type=modelname=Si sc SW_ZhangXieHu_2014OptimizedSW2_Si__MO_475612090600_004 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -3.029762 Iterations: 25 Function evaluations: 50 {'basis_atoms': '[[0.0 0.0 0.0]]', 'repeat': 0, 'cohesive_energy': 3.029762290374654, 'space_group': 'Pm-3m', 'element': 'Si', 'lattice_constant': 2.5432868003845215, 'wyckoff_code': '1a', 'crystal_structure': 'sc', 'iterations': 25, 'warnflag': 0, 'species': 'Si', 'func_calls': 50}