element=lattice type=modelname=Si fcc SW_BalamaneHaliciogluTiller_1992_Si__MO_113686039439_004

Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms

Optimization terminated successfully.
         Current function value: -16.827612
         Iterations: 31
         Function evaluations: 64
{'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': 4.206903092120962, 'space_group': 'Fm-3m', 'element': 'Si', 'lattice_constant': 4.146581918001175, 'wyckoff_code': '4a', 'crystal_structure': 'fcc', 'iterations': 31, 'warnflag': 0, 'species': 'Si" "Si" "Si" "Si', 'func_calls': 64}