element: H lattice type: sc modelname: MEAM_LAMMPS_LeeJang_2007_FeH__MO_095610951957_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -0.128554 Iterations: 28 Function evaluations: 56 {'lattice_constant': 1.8857839033007622, 'cohesive_energy': 0.12855416149638632, 'element': 'H', 'species': 'H', 'crystal_structure': 'sc', 'space_group': 'Pm-3m', 'wyckoff_code': '1a', 'basis_atoms': '[[0.0 0.0 0.0]]', 'iterations': 28, 'func_calls': 56, 'warnflag': 0, 'repeat': 0}