Ge bcc SNAP_ZuoChenLi_2019_Ge__MO_183216355174_000 3.6857246011495595 Optimization terminated successfully. Current function value: -9.084723 Iterations: 90 Function evaluations: 247 C11 = 112.313241 +/- 0.007336 GPa C12 = 125.292308 +/- 0.005187 GPa C44 = 125.618870 +/- 0.001834 GPa B = 120.965952 +/- 0.004235 GPa