Si bcc MEAM_LAMMPS_HuangDongLiu_2018_Si__MO_050147023220_000 3.2732776105403896 Optimization terminated successfully. Current function value: -8.067932 Iterations: 71 Function evaluations: 184 C11 = 194.550762 +/- 0.007336 GPa C12 = 89.025264 +/- 0.005187 GPa C44 = 61.969913 +/- 0.001834 GPa B = 124.200430 +/- 0.004235 GPa