Fe bcc Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Fe__MO_331285495617_002 2.88265025616 Optimization terminated successfully. Current function value: -7.759955 Iterations: 72 Function evaluations: 188 C11 = 183.740913 +/- 0.007336 GPa C12 = 162.741460 +/- 0.005187 GPa C44 = 163.285653 +/- 0.001834 GPa B = 169.741278 +/- 0.004235 GPa