C diamond MEAM_LAMMPS_JeongLee_2020_PdC__MO_068985622065_002 3.556477725505829 C11 = 1079.348144 +/- 0.007336 GPa C12 = 127.224074 +/- 0.005187 GPa C44 = 622.710005 +/- 0.001834 GPa B = 444.598764 +/- 0.004235 GPa