Si diamond MEAM_LAMMPS_JelinekGrohHorstemeyer_2012_AlSiMgCuFe__MO_262519520678_002 5.430999964475632 C11 = 163.784314 +/- 0.007336 GPa C12 = 64.548107 +/- 0.005187 GPa C44 = 76.462799 +/- 0.001834 GPa B = 97.626842 +/- 0.004235 GPa