# What is the ionic compound with the formula Pr2(SeO4)3?

Oct 2, 2014

This is praseodymium salt of selenic acid.

You can look structrure here .

Oct 29, 2014

The formula $\text{Pr"_2"(SeO"_4)""_3}$ is an ionic compound composed of the praseodymium cation ${\text{Pr}}^{3 +}$, and the selenate anion ${\text{H"_2"SeO"_4}}^{2 -}$. Ionic compounds are named according the ions that are present so that the name of the cation goes first, followed by the name of the anion.

The name of $\text{Pr"_2"(SeO"_4)""_3}$ is praseodymium selenate.
(Source):
http://praseodymium.atomistry.com/praseodymium_selenate.html

Its IUPAC* name is praseodymium(3+);triselenate.

*IUPAC is the International Union of Pure and Applied Chemistry.

An alternate chemical formula is ${\text{O"_12"Pr"_2"Se}}_{3}$.
(Source:)
http://www.chemicalbook.com/ProductChemicalPropertiesCB6840026_EN.htm

2D structural formula is: