Cu bcc EAM_NN_Johnson_1988_Cu__MO_887933271505_002 2.85939611495 Warning: Maximum number of function evaluations has been exceeded. C11 = 146.260879 +/- 0.007336 GPa C12 = 137.952176 +/- 0.005187 GPa C44 = 91.936776 +/- 0.001834 GPa B = 140.721743 +/- 0.004235 GPa