Nitrosonium octafluoroxenate(VI)

Nitrosonium octafluoroxenate(VI)
	; The square antiprismatic [XeF8]2− anion in (NO)2XeF8
Names
	IUPAC name Nitrosonium octafluoroxenate(VI)
Identifiers
3D model (JSmol)	Interactive image;
	InChI InChI=1S/F8Xe.2NO/c1-9(2,3,4,5,6,7)8;21-2/q-2;2+1 Key: UZLZIYXSQHCOGO-UHFFFAOYSA-N;
	SMILES [N]#[O+].[N]#[O+].F[Xe-2](F)(F)(F)(F)(F)(F)[F];
Properties
Chemical formula	(NO); 2XeF; 8
Density	3.354 g/cm3
Solubility in water	Reacts
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Nitrosonium octafluoroxenate(VI) is a chemical compound of xenon with nitrogen, oxygen, and fluorine, having formula (NO)
₂XeF
₈. It is an ionic compound containing well-separated nitrosonium cations (NO⁺) and octafluoroxenate(VI) anions (XeF²⁻
₈). The molecular geometry of the octafluoroxenate(VI) ion is square antiprismatic, having Xe–F bond lengths of 1.971 Å, 1.946 Å, 1.958 Å, 2.052 Å, and 2.099 Å.^[1]

It is synthesized by the reaction of xenon hexafluoride (XeF
₆) with nitrosyl fluoride (NOF):^[2]

XeF
₆ + 2 NOF → (NO)
₂XeF
₈

Other compounds containing the octafluoroxenate(VI) ion include its alkali metal salts, including Cs₂XeF₈ and Rb₂XeF₈, which are stable up to 400 °C.^[3]^[4]

References

^ ^a ^b Peterson, W.; Holloway, H.; Coyle, A.; Williams, M. (Sep 1971). "Antiprismatic Coordination about Xenon: the Structure of Nitrosonium Octafluoroxenate(VI)". Science. 173 (4003): 1238–1239. Bibcode:1971Sci...173.1238P. doi:10.1126/science.173.4003.1238. ISSN 0036-8075. PMID 17775218. S2CID 22384146.
^ Cotton (2007). Advanced Inorganic Chemistry (6th ed.). Wiley-India. p. 588. ISBN 978-81-265-1338-3.
^ Chandra, Sulekh (2004). Comprehensive Inorganic Chemistry. New Age International. p. 308. ISBN 81-224-1512-1.
^ Holleman, A. F.; Wiberg, E. (2001). Inorganic Chemistry. San Diego: Academic Press. ISBN 0-12-352651-5.

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[peterson-1] Peterson, W.; Holloway, H.; Coyle, A.; Williams, M. (Sep 1971). "Antiprismatic Coordination about Xenon: the Structure of Nitrosonium Octafluoroxenate(VI)". Science. 173 (4003): 1238–1239. Bibcode:1971Sci...173.1238P. doi:10.1126/science.173.4003.1238. ISSN 0036-8075. PMID 17775218. S2CID 22384146.

[2] Cotton (2007). Advanced Inorganic Chemistry (6th ed.). Wiley-India. p. 588. ISBN 978-81-265-1338-3.

[chandra-3] Chandra, Sulekh (2004). Comprehensive Inorganic Chemistry. New Age International. p. 308. ISBN 81-224-1512-1.

[holleman1-4] Holleman, A. F.; Wiberg, E. (2001). Inorganic Chemistry. San Diego: Academic Press. ISBN 0-12-352651-5.

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