W fcc Morse_Shifted_GirifalcoWeizer_1959LowCutoff_W__MO_489351836217_004 3.992565736174584 Optimization terminated successfully. Current function value: -33.521030 Iterations: 71 Function evaluations: 188 C11 = 427.416827 +/- 0.007336 GPa C12 = 285.598966 +/- 0.005187 GPa C44 = 287.132656 +/- 0.001834 GPa B = 332.871587 +/- 0.004235 GPa