Cu bcc EAM_NN_Johnson_1988_Cu__MO_887933271505_003 2.859396114945412
Optimization terminated successfully.
         Current function value: -7.212766
         Iterations: 72
         Function evaluations: 188

C11 =   146.260874 +/-     0.007336 GPa
C12 =   137.952173 +/-     0.005187 GPa
C44 =    91.936773 +/-     0.001834 GPa
B   =   140.721740 +/-     0.004235 GPa