element=lattice type=modelname=Si bcc MFF_MistriotisFlytzanisFarantos_1989_Si__MO_080526771943_001 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -9.088577 Iterations: 29 Function evaluations: 59 {'basis_atoms': '[[0.0 0.0 0.0] [0.5 0.5 0.5]]', 'repeat': 0, 'cohesive_energy': 4.544288623468258, 'space_group': 'Im-3m', 'element': 'Si', 'lattice_constant': 3.2716210782527924, 'wyckoff_code': '2a', 'crystal_structure': 'bcc', 'iterations': 29, 'warnflag': 0, 'species': 'Si" "Si', 'func_calls': 59}