Yb diamond LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 8.31680479646 Optimization terminated successfully. Current function value: -3.241300 Iterations: 69 Function evaluations: 180 C11 = 6.026013 +/- 0.007336 GPa C12 = 8.068385 +/- 0.005187 GPa C44 = -13191.606386 +/- 0.001834 GPa B = 7.387594 +/- 0.004235 GPa