Fe bcc Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Fe__MO_147603128437_003 2.863848514854908 Optimization terminated successfully. Current function value: -8.354488 Iterations: 83 Function evaluations: 223 C11 = 181.119249 +/- 0.007336 GPa C12 = 166.942920 +/- 0.005187 GPa C44 = 167.540427 +/- 0.001834 GPa B = 171.668363 +/- 0.004235 GPa