Si bcc ThreeBodyBondOrder_WR_WangRockett_1991_Si__MO_081872846741_000 3.32416507602
Optimization terminated successfully.
         Current function value: -8.520539
         Iterations: 73
         Function evaluations: 183

C11 =   566.960498 +/-     0.007336 GPa
C12 =   151.389478 +/-     0.005187 GPa
C44 =     9.057935 +/-     0.001834 GPa
B   =   289.913151 +/-     0.004235 GPa