Ammonium cerium(IV) sulfate
Ammonium cerium sulfate is an inorganic compound with the formula 4Ce4.2 H2O. It is an orange-colored solid. It is a strong oxidant, the potential for reduction is about +1.44V. Cerium sulfate is a related compound.Structure
A crystallographic study shows that the compound contains the Ce288− anion, where the cerium atoms are 9 coordinated by oxygen atoms belonging to sulfate groups, in a distorted tricapped trigonal prism.