Na sc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 3.16054845601 Warning: Maximum number of function evaluations has been exceeded. C11 = 532.138329 +/- 0.007336 GPa C12 = -62.300536 +/- 0.005187 GPa C44 = -54.799908 +/- 0.001834 GPa B = 135.845752 +/- 0.004235 GPa