element: He lattice type: bcc modelname: Sim_LAMMPS_Hybrid_DuanXieGuo_2019__SM_016305073020_000 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -16.180003 Iterations: 29 Function evaluations: 58 {'lattice_constant': 3.3025380820035934, 'cohesive_energy': 8.090001506074335, 'element': 'He', 'species': 'He" "He', 'crystal_structure': 'bcc', 'space_group': 'Im-3m', 'wyckoff_code': '2a', 'basis_atoms': '[[0.0 0.0 0.0] [0.5 0.5 0.5]]', 'iterations': 29, 'func_calls': 58, 'warnflag': 0, 'repeat': 0}