Cu diamond EAM_NN_Johnson_1988_Cu__MO_887933271505_002 5.45042157918 Warning: Maximum number of function evaluations has been exceeded. C11 = 51.694275 +/- 0.007336 GPa C12 = 51.694450 +/- 0.005187 GPa C44 = 0.000460 +/- 0.001834 GPa B = 51.694392 +/- 0.004235 GPa