Pr bcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 4.46878842264 Warning: Maximum number of function evaluations has been exceeded. C11 = 263.457898 +/- 0.007336 GPa C12 = 321.668910 +/- 0.005187 GPa C44 = 322.023600 +/- 0.001834 GPa B = 302.265239 +/- 0.004235 GPa