K bcc Morse_Shifted_GirifalcoWeizer_1959LowCutoff_K__MO_749732139672_003 5.334010653197765 Optimization terminated successfully. Current function value: -1.670402 Iterations: 1064 Function evaluations: 3163 C11 = 3.709702 +/- 0.007336 GPa C12 = 2.735108 +/- 0.005187 GPa C44 = 2.759387 +/- 0.001834 GPa B = 3.059973 +/- 0.004235 GPa