Yb diamond LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 8.31680479645729 Optimization terminated successfully. Current function value: -3.241300 Iterations: 72 Function evaluations: 188 C11 = 6.026012 +/- 0.007336 GPa C12 = 8.068383 +/- 0.005187 GPa C44 = -13191.605216 +/- 0.001834 GPa B = 7.387593 +/- 0.004235 GPa