Pb fcc Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Pb__MO_370271093517_002 4.93554481864 Optimization terminated successfully. Current function value: -8.140440 Iterations: 74 Function evaluations: 196 C11 = 55.058932 +/- 0.007336 GPa C12 = 37.139049 +/- 0.005187 GPa C44 = 36.926012 +/- 0.001834 GPa B = 43.112344 +/- 0.004235 GPa