Si fcc MFF_MistriotisFlytzanisFarantos_1989_Si__MO_080526771943_001 4.175432041287422
Optimization terminated successfully.
         Current function value: -18.215494
         Iterations: 76
         Function evaluations: 201

C11 =  1222.482415 +/-     0.007336 GPa
C12 =  1197.477890 +/-     0.005187 GPa
C44 =    61.432921 +/-     0.001834 GPa
B   =  1205.812732 +/-     0.004235 GPa