element=lattice type=modelname=Si bcc Tersoff_LAMMPS_Tersoff_PRB39_1989_CSi__MO_171585019474_001 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -4.196890 Iterations: 28 Function evaluations: 57 {'basis_atoms': '[[0.0 0.0 0.0] [0.5 0.5 0.5]]', 'repeat': 0, 'cohesive_energy': 4.1968902196295295, 'space_group': 'Im-3m', 'element': 'Si', 'lattice_constant': 3.084438070654869, 'wyckoff_code': '2a', 'crystal_structure': 'bcc', 'iterations': 28, 'warnflag': 0, 'species': 'Si" "Si', 'func_calls': 57}