Ta diamond SNAP_ThompsonSwilerTrott_2015_Ta__MO_359768485367_000 6.521527183055884 Optimization terminated successfully. Current function value: -74.459171 Iterations: 69 Function evaluations: 179 C11 = 10.184681 +/- 0.007336 GPa C12 = 26.370700 +/- 0.005187 GPa C44 = -445143.241571 +/- 0.001834 GPa B = 20.975360 +/- 0.004235 GPa