Fe fcc Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Fe__MO_984358344196_004 3.61105090379715 Optimization terminated successfully. Current function value: -16.632648 Iterations: 72 Function evaluations: 189 C11 = 216.655910 +/- 0.007336 GPa C12 = 151.091660 +/- 0.005187 GPa C44 = 152.351509 +/- 0.001834 GPa B = 172.946410 +/- 0.004235 GPa