Cs bcc Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Cs__MO_999639780744_002 6.09959858656 Optimization terminated successfully. Current function value: -1.584005 Iterations: 72 Function evaluations: 189 C11 = 1.636214 +/- 0.007336 GPa C12 = 1.461202 +/- 0.005187 GPa C44 = 1.428187 +/- 0.001834 GPa B = 1.519539 +/- 0.004235 GPa