Rb diamond Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Rb__MO_908110223949_003 9.59238189459 Optimization terminated successfully. Current function value: -4.653269 Iterations: 73 Function evaluations: 190 C11 = -64977.946622 +/- 0.007336 GPa C12 = 1.920096 +/- 0.005187 GPa C44 = -48732.837384 +/- 0.001834 GPa B = -21658.035477 +/- 0.004235 GPa