Rb sc Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Rb__MO_908110223949_003 4.52984637022 Optimization terminated successfully. Current function value: -0.802977 Iterations: 71 Function evaluations: 187 C11 = 7.164526 +/- 0.007336 GPa C12 = -0.937328 +/- 0.005187 GPa C44 = -0.937301 +/- 0.001834 GPa B = 1.763290 +/- 0.004235 GPa