Cu bcc Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Cu__MO_173787283511_003 2.870529890060425 Optimization terminated successfully. Current function value: -6.945376 Iterations: 71 Function evaluations: 183 C11 = 148.700434 +/- 0.007336 GPa C12 = 133.850004 +/- 0.005187 GPa C44 = 134.344828 +/- 0.001834 GPa B = 138.800147 +/- 0.004235 GPa