W bcc Morse_Shifted_GirifalcoWeizer_1959MedCutoff_W__MO_390128289865_004 3.1555768325924873 Optimization terminated successfully. Current function value: -17.480829 Iterations: 73 Function evaluations: 190 C11 = 342.270221 +/- 0.007336 GPa C12 = 329.266512 +/- 0.005187 GPa C44 = 330.137071 +/- 0.001834 GPa B = 333.601082 +/- 0.004235 GPa