element: Kr lattice type: bcc modelname: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Optimization terminated successfully. Current function value: -0.275853 Iterations: 25 Function evaluations: 50 {'lattice_constant': 2.5535986721515656, 'cohesive_energy': 0.13792655415403965, 'element': 'Kr', 'species': 'Kr" "Kr', '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': 25, 'func_calls': 50, 'warnflag': 0, 'repeat': 0}