Si bcc ThreeBodyBondOrder_PPM_PurjaPunMishin_2017_Si__MO_566683736730_000 2.93742272258 Warning: Maximum number of function evaluations has been exceeded. C11 = 427436.423297 +/- 0.007336 GPa C12 = -390026.183671 +/- 0.005187 GPa C44 = -35774.461970 +/- 0.001834 GPa B = -117538.648015 +/- 0.004235 GPa