Fe fcc Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Fe__MO_984358344196_003 3.6110509038 Optimization terminated successfully. Current function value: -16.632648 Iterations: 71 Function evaluations: 185 C11 = 216.655887 +/- 0.007336 GPa C12 = 151.091646 +/- 0.005187 GPa C44 = 152.351497 +/- 0.001834 GPa B = 172.946393 +/- 0.004235 GPa