Si sc ThreeBodyCluster_SRS_StephensonRadnySmith_1996_Si__MO_604248666067_000 2.57587908208 Optimization terminated successfully. Current function value: -4.997912 Iterations: 70 Function evaluations: 185 C11 = 807.674417 +/- 0.007336 GPa C12 = 298.176723 +/- 0.005187 GPa C44 = 298.252644 +/- 0.001834 GPa B = 468.009288 +/- 0.004235 GPa