Si fcc MEAM_LAMMPS_HuangDongLiu_2018_Si__MO_050147023220_002 4.23582186549902 C11 = 99.482240 +/- 0.007336 GPa C12 = 119.278221 +/- 0.005187 GPa C44 = 21.747349 +/- 0.001834 GPa B = 112.679561 +/- 0.004235 GPa