Rb diamond LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 9.784468841552744 Warning: Maximum number of iterations has been exceeded. C11 = -212002.512251 +/- 0.007336 GPa C12 = 11.898567 +/- 0.005187 GPa C44 = -79820.088527 +/- 0.001834 GPa B = -70659.571706 +/- 0.004235 GPa