Si bcc ThreeBodyCluster_KP_KaxirasPandey_1988_Si__MO_072486242437_000 3.418562859296799
Optimization terminated successfully.
         Current function value: -7.229022
         Iterations: 73
         Function evaluations: 194

C11 =   109.987514 +/-     0.007336 GPa
C12 =   101.651117 +/-     0.005187 GPa
C44 =     2.226928 +/-     0.001834 GPa
B   =   104.429916 +/-     0.004235 GPa