Po bcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 3.08192645013 Warning: Maximum number of function evaluations has been exceeded. C11 = 1174.078342 +/- 0.007336 GPa C12 = 1433.490875 +/- 0.005187 GPa C44 = 1435.071512 +/- 0.001834 GPa B = 1347.020031 +/- 0.004235 GPa