Caesium heptafluoroxenate

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

Caesium heptafluoroxenate
Identifiers
3D model (JSmol)
  • InChI=1S/Cs.F7Xe/c;1-8(2,3,4,5,6)7/q+1;-1
    Key: IAPXLONHTNZYMY-UHFFFAOYSA-N
  • [Cs+].F[Xe-](F)(F)(F)(F)(F)F
Properties
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

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 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.
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