Cu fcc Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Cu__MO_173787283511_003 3.61314813048 Optimization terminated successfully. Current function value: -13.979060 Iterations: 71 Function evaluations: 181 C11 = 174.529901 +/- 0.007336 GPa C12 = 122.383397 +/- 0.005187 GPa C44 = 123.468743 +/- 0.001834 GPa B = 139.765565 +/- 0.004235 GPa