element=lattice type=modelname=Si diamond 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: -37.040002
         Iterations: 32
         Function evaluations: 66
{'basis_atoms': '[[0.0 0.0 0.0] [0.25 0.25 0.25] [0.5 0.5 0.0] [0.75 0.75 0.25] [0.5 0.0 0.5] [0.75 0.25 0.75] [0.0 0.5 0.5] [0.25 0.75 0.75]]', 'repeat': 0, 'cohesive_energy': 4.630000272627998, 'space_group': 'Fd-3m', 'element': 'Si', 'lattice_constant': 5.429401934146881, 'wyckoff_code': '8a', 'crystal_structure': 'diamond', 'iterations': 32, 'warnflag': 0, 'species': 'Si" "Si" "Si" "Si" "Si" "Si" "Si" "Si', 'func_calls': 66}