element: Sr lattice type: bcc modelname: Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Sr__MO_497591319122_002 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 (2.659242300281456). 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: -3.447820 Iterations: 30 Function evaluations: 62 {'lattice_constant': 4.817507779598239, 'cohesive_energy': 1.7239100698664163, 'element': 'Sr', 'species': 'Sr" "Sr', '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': 30, 'func_calls': 62, 'warnflag': 0, 'repeat': 0}