element: O lattice type: sc modelname: Sim_LAMMPS_ReaxFF_XiaoShiHao_2017_PHOC__SM_424780295507_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -0.080698 Iterations: 28 Function evaluations: 57 {'lattice_constant': 3.002244919538498, 'cohesive_energy': 0.08069840925372913, 'element': 'O', 'species': 'O', 'crystal_structure': 'sc', 'space_group': 'Pm-3m', 'wyckoff_code': '1a', 'basis_atoms': '[[0.0 0.0 0.0]]', 'iterations': 28, 'func_calls': 57, 'warnflag': 0, 'repeat': 0}