Chapter 9, Problem 72AP

Antimony pentafluoride $\left({\text{sbF}}_{\text{5}}\right)$ reacts with ${\text{XeF}}_4{\text{ and XeF}}_{\text{6}}$ to form ionic compounds. ${\text{XeF}}_3^{+}{\text{SbF}}_6^{-}{\text{ and XeF}}_5^{+}{\text{SbF}}_6^{-}$. Describe the geometries of the cations and anions in these two compounds.