Si fcc ThreeBodyBondOrder_WR_WangRockett_1991_Si__MO_081872846741_000 4.03771096468 Warning: Maximum number of function evaluations has been exceeded. C11 = 228.914905 +/- 0.007336 GPa C12 = 112.244786 +/- 0.005187 GPa C44 = 101.676998 +/- 0.001834 GPa B = 151.134826 +/- 0.004235 GPa