element: C lattice type: diamond modelname: Tersoff_LAMMPS_Tersoff_1988_C__MO_579868029681_002 Detected that energy at a lattice constant of 2.5 Angstroms was equal to the isolated energy (i.e. no interactions). Shrinking box until energy becomes non-trivial... Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -58.964114 Iterations: 29 Function evaluations: 59 {'lattice_constant': 3.5656265318393707, 'cohesive_energy': 7.370514209744443, 'element': 'C', 'species': 'C" "C" "C" "C" "C" "C" "C" "C', 'crystal_structure': 'diamond', 'space_group': 'Fd-3m', 'wyckoff_code': '8a', '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]]', 'iterations': 29, 'func_calls': 59, 'warnflag': 0, 'repeat': 0}