element: C lattice type: diamond modelname: Sim_LAMMPS_ReaxFF_AnGoddard_2015_BC__SM_389039364091_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -68.576631 Iterations: 30 Function evaluations: 62 {'lattice_constant': 3.6324135065078735, 'cohesive_energy': 8.572078821371296, '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': 30, 'func_calls': 62, 'warnflag': 0, 'repeat': 0}