Ge diamond Tersoff_LAMMPS_MahdizadehAkhlamadi_2017_Ge__MO_344019981553_000 5.5528369545936584 Optimization terminated successfully. Current function value: -33.864064 Iterations: 1064 Function evaluations: 3166 C11 = 213.630760 +/- 0.007336 GPa C12 = 20.851961 +/- 0.005187 GPa C44 = 91.614162 +/- 0.001834 GPa B = 85.111561 +/- 0.004235 GPa