Si fcc ThreeBodyCluster_Gong_Gong_1993_Si__MO_407755720412_000 3.9082259908318524
Optimization terminated successfully.
         Current function value: -25.786449
         Iterations: 1064
         Function evaluations: 3166

C11 =   829.687388 +/-     0.007336 GPa
C12 =   529.036353 +/-     0.005187 GPa
C44 =   336.976737 +/-     0.001834 GPa
B   =   629.253364 +/-     0.004235 GPa