element=lattice type=modelname=Si sc Three_Body_Stillinger_Weber_Zhang_Silicene_Model1_Si__MO_800412945727_002 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -3.362654 Iterations: 25 Function evaluations: 50 {'basis_atoms': '[[0.0 0.0 0.0]]', 'repeat': 0, 'cohesive_energy': 3.3626540605108159, 'space_group': 'Pm-3m', 'element': 'Si', 'lattice_constant': 2.4559448733925819, 'wyckoff_code': '1a', 'crystal_structure': 'sc', 'iterations': 25, 'warnflag': 0, 'species': 'Si', 'func_calls': 50}