Si fcc ThreeBodyCluster_BH_BiswasHamann_1987_Si__MO_019616213550_000 4.075058892369269
Optimization terminated successfully.
         Current function value: -17.398230
         Iterations: 73
         Function evaluations: 187

C11 =   371.878823 +/-     0.007336 GPa
C12 =   337.514729 +/-     0.005187 GPa
C44 =    19.387511 +/-     0.001834 GPa
B   =   348.969427 +/-     0.004235 GPa