Si diamond SW_LeeHwang_2012GGA_Si__MO_040570764911_000 5.457114815711976 Warning: Maximum number of iterations has been exceeded. C11 = 110.851823 +/- 0.007336 GPa C12 = 42.773948 +/- 0.005187 GPa C44 = 46.559481 +/- 0.001834 GPa B = 65.466573 +/- 0.004235 GPa