Cu bcc Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Cu__MO_151002396060_003 2.864494271576405 Optimization terminated successfully. Current function value: -7.028176 Iterations: 1064 Function evaluations: 3164 C11 = 147.362499 +/- 0.007336 GPa C12 = 134.621426 +/- 0.005187 GPa C44 = 135.130692 +/- 0.001834 GPa B = 138.868450 +/- 0.004235 GPa