element: Pr lattice type: fcc modelname: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 Attempting to perform relaxation using initial lattice constant guess of 2.5 Angstroms Failed to perform relaxation using initial lattice constant guess of 2.5 Angstroms Exception message: Attempted to evaluate energy at lattice spacing ([2.5]) below the minimum allowed value (2.6042759993299898). This may mean that the model does not possess close-range repulsive forces to prevent system collapse. Attempting to perform relaxation using initial lattice constant guess of 3.0 Angstroms Optimization terminated successfully. Current function value: -43.271541 Iterations: 31 Function evaluations: 63 {'lattice_constant': 5.583564627170567, 'cohesive_energy': 10.817885138509824, 'element': 'Pr', 'species': 'Pr" "Pr" "Pr" "Pr', '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': 63, 'warnflag': 0, 'repeat': 0}