element: Zn lattice type: fcc modelname: Sim_LAMMPS_ReaxFF_RaymandVanDuinBaudin_2008_ZnOH__SM_449472104549_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -5.377687 Iterations: 31 Function evaluations: 64 {'lattice_constant': 3.8874732553958893, 'cohesive_energy': 1.3444218238174481, 'element': 'Zn', 'species': 'Zn" "Zn" "Zn" "Zn', 'crystal_structure': 'fcc', 'space_group': 'Fm-3m', 'wyckoff_code': '4a', 'basis_atoms': '[[0.0 0.0 0.0] [0.5 0.5 0.0] [0.5 0.0 0.5] [0.0 0.5 0.5]]', 'iterations': 31, 'func_calls': 64, 'warnflag': 0, 'repeat': 0}