Cu bcc Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Cu__MO_673777079812_004 2.886501021683216 Optimization terminated successfully. Current function value: -6.519409 Iterations: 80 Function evaluations: 215 C11 = 149.617535 +/- 0.007336 GPa C12 = 130.733123 +/- 0.005187 GPa C44 = 131.191238 +/- 0.001834 GPa B = 137.027927 +/- 0.004235 GPa