Caesium heptafluoroxenate

Caesium heptafluoroxenate

Identifiers
CAS Number	19033-04-6^Y
3D model (JSmol)	Interactive image
InChI InChI=1S/Cs.F7Xe/c;1-8(2,3,4,5,6)7/q+1;-1 Key: IAPXLONHTNZYMY-UHFFFAOYSA-N
SMILES [Cs+].F[Xe-](F)(F)(F)(F)(F)F
Properties
Chemical formula	CsF7Xe
Molar mass	397.187 g·mol^−1
Appearance	yellow solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Caesium heptafluoroxenate is an inorganic compound of caesium, and fluorine, and xenon with the chemical formula CsXeF₇.

Preparation

Caesium heptafluoroxenate can be prepared by dissolving xenon hexafluoride in molten caesium fluoride:^[1]

CsF + XeF₆ → CsXeF₇

Properties

Caesium heptafluoroxenate is a yellow solid that is stable at room temperature. It is a very strong oxidizer. The compound decomposes at 50 °C to produce caesium octofluoroxenate:^[2]

2CsXeF₇ → Cs₂XeF₈ + XeF₆

Uses

Caesium heptafluoroxenate is used to isolate xenon hexafluoride from a reaction mixture.

References

1. Raghavan, P. S. (1998). Concepts And Problems In Inorganic Chemistry. Discovery Publishing House. p. 283. ISBN 978-81-7141-418-5. Retrieved 29 February 2024.
2. Holliday, A. K.; Massey, A. G. (22 October 2013). Non-Aqueous Solvents in Inorganic Chemistry: The Commonwealth and International Library: Chemistry Division. Elsevier. p. 110. ISBN 978-1-4831-5941-6. Retrieved 29 February 2024.