Si sc ThreeBodyCluster_KP_KaxirasPandey_1988_Si__MO_072486242437_000 2.67779000103 Warning: Maximum number of function evaluations has been exceeded. C11 = 216.615283 +/- 0.007336 GPa C12 = 78.222884 +/- 0.005187 GPa C44 = 39.078218 +/- 0.001834 GPa B = 124.353683 +/- 0.004235 GPa