element: Ar lattice type: bcc modelname: LJ_Shifted_Bernardes_1958HighCutoff_Ar__MO_242741380554_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 (2.8456999992808294). 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: -0.169489 Iterations: 29 Function evaluations: 59 {'lattice_constant': 4.196534326672555, 'cohesive_energy': 0.08474469630155752, 'element': 'Ar', 'species': 'Ar" "Ar', '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': 59, 'warnflag': 0, 'repeat': 0}