Si fcc SNAP_ZuoChenLi_2019quadratic_Si__MO_721469752060_000 3.535090783238412 Warning: Maximum number of iterations has been exceeded. C11 = 5141.941066 +/- 0.007336 GPa C12 = 1213.214871 +/- 0.005187 GPa C44 = 773.784069 +/- 0.001834 GPa B = 2522.790269 +/- 0.004235 GPa