K fcc Morse_Shifted_GirifalcoWeizer_1959LowCutoff_K__MO_749732139672_004 6.766202425956724 Optimization terminated successfully. Current function value: -3.338877 Iterations: 71 Function evaluations: 182 C11 = 3.892790 +/- 0.007336 GPa C12 = 2.587979 +/- 0.005187 GPa C44 = 2.646827 +/- 0.001834 GPa B = 3.022916 +/- 0.004235 GPa