Si sc ThreeBodyCluster_SRS_StephensonRadnySmith_1996_Si__MO_604248666067_000 2.575879082083702 Optimization terminated successfully. Current function value: -4.997912 Iterations: 77 Function evaluations: 205 C11 = 807.674142 +/- 0.007336 GPa C12 = 298.176584 +/- 0.005187 GPa C44 = 298.252514 +/- 0.001834 GPa B = 468.009104 +/- 0.004235 GPa