element: Li lattice type: fcc modelname: Sim_LAMMPS_ReaxFF_IslamOstadhosseinBorodin_2015_LiS__SM_058492438145_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -6.435591 Iterations: 31 Function evaluations: 66 {'lattice_constant': 4.405850410461426, 'cohesive_energy': 1.608897725470321, 'element': 'Li', 'species': 'Li" "Li" "Li" "Li', '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': 66, 'warnflag': 0, 'repeat': 0}