K bcc Morse_Shifted_GirifalcoWeizer_1959MedCutoff_K__MO_202712315930_003 5.22235117108 Optimization terminated successfully. Current function value: -1.847819 Iterations: 69 Function evaluations: 178 C11 = 3.581373 +/- 0.007336 GPa C12 = 2.830068 +/- 0.005187 GPa C44 = 2.858896 +/- 0.001834 GPa B = 3.080503 +/- 0.004235 GPa