Xenon tetrachloride

Xenon tetrachloride is an unstable^[1] inorganic compound with the chemical formula XeCl₄. Unlike other noble gas/halide compounds, it cannot be synthesized by simply combining the elements, by using a more-active halogenating agent, or by substitution of other halides on tetrahaloxenon compounds. Instead, a decay technique can be used, starting with K¹²⁹ICl₄. The iodine-129 atom of the ¹²⁹
ICl^–
₄ covalent cluster is radioactive and undergoes beta decay to become xenon-129.^[2]^[3] The resulting XeCl₄ molecule has a square planar molecular geometry analogous to xenon tetrafluoride.^[4]

Xenon tetrachloride
Identifiers

CAS Number	14989-42-5^Y
3D model (JSmol)	Interactive image
PubChem CID	149605668
InChI InChI=1S/Cl4Xe/c1-5(2,3)4 Key: YPLOYFASLUPKHY-UHFFFAOYSA-N
SMILES Cl[Xe](Cl)(Cl)Cl
Properties
Chemical formula	Cl₄Xe
Molar mass	273.09 g·mol⁻¹
Related compounds
Related compounds	XeF₄, XeCl₂, XeCl
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Alternately, the product can be obtained by subjecting the elements to an electric discharge.^[1]

References

^ ^a ^b Holleman, A.F.; Wiberg, E.; Wiberg, N.; Eagleson, M.; Brewer, W. (2001). Inorganic Chemistry. Academic Press. p. 394. ISBN 9780123526519. LCCN 2001091215.

^ Bell, C.F. (2013). Syntheses and Physical Studies of Inorganic Compounds. Elsevier Science. p. 143. ISBN 9781483280608.

^ Cockett, A.H.; Smith, K.C.; Bartlett, N. (2013). The Chemistry of the Monatomic Gases: Pergamon Texts in Inorganic Chemistry. Elsevier Science. p. 292. ISBN 9781483157368.

^ Perlow, G. J.; Perlow, M. R. (15 August 1964). "Mössbauer Effect Evidence for the Existence and Structure of XeCl₄". The Journal of Chemical Physics. 41 (4): 1157–1158. Bibcode:1964JChPh..41.1157P. doi:10.1063/1.1726022.

Last edited on 30 April 2022, at

16:22

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