Chemistry:Gadolinium(III) selenate

Gadolinium(III) selenate

69pxFile:3.svg
Identifiers
CAS Number	20148-56-5 Y
3D model (JSmol)	Interactive image
ChemSpider	15008011
PubChem CID	20432118
InChI InChI=1S/2Gd.3H2O4Se/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6 Key: LSEBDKBNNFPZKP-UHFFFAOYSA-H
SMILES [O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[Gd+3].[Gd+3]
Properties
Chemical formula	Gd2(SeO4)3
Molar mass	743.395 887.523 (octahydrate)
Density	3.309g/cm3 (octahydrate)
Solubility in water	soluble
Related compounds
Other anions	gadolinium(III) selenite gadolinium(III) sulfate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Gadolinium(III) selenate is an inorganic compound with the chemical formula Gd₂(SeO₄)₃. It exists as the anhydrate and octahydrate. The octahydrate transforms into the anhydrate when heated to 130 °C.

Preparation

Gadolinium(III) selenate can be obtained by crystallizing from the reaction of gadolinium oxide and selenic acid solution:

Gd
2O
3 + 3 H
2SeO
4 → Gd
2(SeO
4)
3 + 3 H
2O