W diamond Morse_Shifted_GirifalcoWeizer_1959LowCutoff_W__MO_489351836217_003 6.27549093962 Warning: Maximum number of function evaluations has been exceeded. C11 = -2840208.542552 +/- 0.007336 GPa C12 = 52.051253 +/- 0.005187 GPa C44 = -1065076.177336 +/- 0.001834 GPa B = -946701.480015 +/- 0.004235 GPa