Ce diamond LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 9.0728892684 Optimization terminated successfully. Current function value: -63.883970 Iterations: 70 Function evaluations: 180 C11 = -1517644.000648 +/- 0.007336 GPa C12 = 76.981717 +/- 0.005187 GPa C44 = -571026.275275 +/- 0.001834 GPa B = -505830.012405 +/- 0.004235 GPa