Xenon oxytetrafluoride

Xenon oxytetrafluoride
	Ball-and-stick model of xenon oxytetrafluoride
	Space-filling model of xenon oxytetrafluoride
Identifiers
CAS Number	13774-85-1 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:229456;
ChemSpider	10326200 ;
CompTox Dashboard (EPA)	DTXSID401027102 ;
	InChI InChI=1S/F4OXe/c1-6(2,3,4)5 Key: ONRYXFFHIXYZMZ-UHFFFAOYSA-N ; InChI=1/F4OXe/c1-6(2,3,4)5 Key: ONRYXFFHIXYZMZ-UHFFFAOYAY;
	SMILES F[Xe](F)(F)(F)=O;
Properties
Chemical formula	XeOF4
Molar mass	223.23 g/mol
Appearance	colorless liquid
Density	3.17 g/cm3, liquid
Melting point	−46.2 °C (−51.2 °F; 227.0 K)
Solubility in water	Reacts with water
Structure
Molecular shape	square pyramidal
	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

Xenon oxytetrafluoride (Xe O F
₄) is an inorganic chemical compound. It is an unstable colorless liquid^[2]^[3] with a melting point of −46.2 °C (−51.2 °F; 227.0 K)^[4] that can be synthesized by partial hydrolysis of XeF
₆, or the reaction of XeF
₆ with silica^[3] or NaNO
₃:^[5]

NaNO
₃ + XeF
₆ → NaF + XeOF
₄ + FNO
₂

A high-yield synthesis proceeds by the reaction of XeF
₆ with POF
₃ at −196 °C (−320.8 °F; 77.1 K).^[6]

Like most xenon oxides, it is extremely reactive, and it hydrolyses in water to give hazardous and corrosive products, including hydrogen fluoride:

2 XeOF
₄ + 4 H
₂O → 2 Xe + 8 HF + 3 O
₂

In addition, some ozone and fluorine is formed.

Reactions

XeOF
₄ reacts with H
₂O in the following steps:

XeOF
₄ + H
₂O → XeO
₂F
₂ + 2 HF

XeO
₂F
₂ + H
₂O → XeO
₃ + 2 HF

The XeO
₃ formed is a dangerous explosive, decomposing explosively to Xe and O
₂:

2 XeO
₃ → 2 Xe + 3 O
₂

In its liquid form, XeOF
₄ exhibits amphoteric behaviour, forming complexes with both strong Lewis bases like CsF and strong Lewis acids like SbF
₅.^[7] It forms a 1:1 adduct with XeF
₂, isostructural with XeF
₂·IF
₅,^[8] as well as various heavy alkali metal fluorides.^[4]

The reaction of XeOF
₄ with XeO
₃ provides a convenient synthesis route for XeO
₂F
₂.^[9]

External links

Xenon tetrafluoride oxide in Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD) (retrieved 2022-04-13)

References

^ Martins, Joseph; Wilson, E. Bright Jr. (1964). "Microwave Spectrum of Xenon Oxytetrafluoride". The Journal of Chemical Physics. 41 (570): 570–571. Bibcode:1964JChPh..41..570M. doi:10.1063/1.1725910. ISSN 0021-9606.
^ ^a ^b Smith, D. F. (1963-05-24). "Xenon Oxyfluoride". Science. 140 (3569): 899–900. Bibcode:1963Sci...140..899S. doi:10.1126/science.140.3569.899. ISSN 0036-8075. JSTOR 00368075. LCCN 17024346. OCLC 1644869. PMID 17810680. S2CID 42752536.
^ ^a ^b Ibers, James A. (October 1965). "Molecular Structure". Annual Review of Physical Chemistry. 16: 375–396. Bibcode:1965ARPC...16..375I. doi:10.1146/annurev.pc.16.100165.002111. ISSN 0066-426X. LCCN a51001658. OCLC 1373069.
^ ^a ^b Selig, Henry (1966-02-01). "Complexes of Xenon Oxide Tetrafluoride". Inorganic Chemistry. 5 (2): 183–186. doi:10.1021/ic50036a004. ISSN 0020-1669.
^ Christe, Karl O.; Wilson, William W. (April 1988). "Convenient synthesis of xenon oxide tetrafluoride". Inorganic Chemistry. 27 (7): 1296–1297. doi:10.1021/ic00280a043. ISSN 0020-1669.
^ Nielsen, Jon B.; Kinkead, Scott A.; Eller, P. Gary (1990-09-01). "A New Synthesis of Xenon Oxytetrafluoride, XeOF₄". Inorganic Chemistry. 29 (18): 3621–3622. doi:10.1021/ic00343a063. ISSN 0020-1669.
^ Martin-Rovet, D.; Angelié, C.; Cauchetier, M.; Schrobilgen, G. J. (September 1982). "Various aspects of the reactivity of the xenon(VI) oxyfluoride: XeOF4". Journal of Fluorine Chemistry. 21 (1): 10. doi:10.1016/S0022-1139(00)85330-0. ISSN 0022-1139.
^ Bartlett, N.; Wechsberg, M. (October 1971). "The Xenon Difluoride Complexes XeF2 · XeOF4; XeF2 · XeF6 · AsF5 and XeF2 · 2 XeF6 · 2 AsF5 and Their Relevance to Bond Polarity and Fluoride Ion Donor Ability of XeF2 and XeF6". Zeitschrift für anorganische und allgemeine Chemie. 385 (1): 5–17. doi:10.1002/zaac.19713850103. ISSN 0044-2313. OCLC 1770423.
^ Huston, John L. (September 1967). "Xenon dioxide difluoride: isolation and some properties". The Journal of Physical Chemistry A. 71 (10): 3339–3341. doi:10.1021/j100869a035. ISSN 1089-5639.

[martins1964-1] Martins, Joseph; Wilson, E. Bright Jr. (1964). "Microwave Spectrum of Xenon Oxytetrafluoride". The Journal of Chemical Physics. 41 (570): 570–571. Bibcode:1964JChPh..41..570M. doi:10.1063/1.1725910. ISSN 0021-9606.

[smith1963-2] Smith, D. F. (1963-05-24). "Xenon Oxyfluoride". Science. 140 (3569): 899–900. Bibcode:1963Sci...140..899S. doi:10.1126/science.140.3569.899. ISSN 0036-8075. JSTOR 00368075. LCCN 17024346. OCLC 1644869. PMID 17810680. S2CID 42752536.

[ibers1965-3] Ibers, James A. (October 1965). "Molecular Structure". Annual Review of Physical Chemistry. 16: 375–396. Bibcode:1965ARPC...16..375I. doi:10.1146/annurev.pc.16.100165.002111. ISSN 0066-426X. LCCN a51001658. OCLC 1373069.

[selig1966-4] Selig, Henry (1966-02-01). "Complexes of Xenon Oxide Tetrafluoride". Inorganic Chemistry. 5 (2): 183–186. doi:10.1021/ic50036a004. ISSN 0020-1669.

[5] Christe, Karl O.; Wilson, William W. (April 1988). "Convenient synthesis of xenon oxide tetrafluoride". Inorganic Chemistry. 27 (7): 1296–1297. doi:10.1021/ic00280a043. ISSN 0020-1669.

[nielsen1990-6] Nielsen, Jon B.; Kinkead, Scott A.; Eller, P. Gary (1990-09-01). "A New Synthesis of Xenon Oxytetrafluoride, XeOF₄". Inorganic Chemistry. 29 (18): 3621–3622. doi:10.1021/ic00343a063. ISSN 0020-1669.

[7] Martin-Rovet, D.; Angelié, C.; Cauchetier, M.; Schrobilgen, G. J. (September 1982). "Various aspects of the reactivity of the xenon(VI) oxyfluoride: XeOF4". Journal of Fluorine Chemistry. 21 (1): 10. doi:10.1016/S0022-1139(00)85330-0. ISSN 0022-1139.

[8] Bartlett, N.; Wechsberg, M. (October 1971). "The Xenon Difluoride Complexes XeF2 · XeOF4; XeF2 · XeF6 · AsF5 and XeF2 · 2 XeF6 · 2 AsF5 and Their Relevance to Bond Polarity and Fluoride Ion Donor Ability of XeF2 and XeF6". Zeitschrift für anorganische und allgemeine Chemie. 385 (1): 5–17. doi:10.1002/zaac.19713850103. ISSN 0044-2313. OCLC 1770423.

[9] Huston, John L. (September 1967). "Xenon dioxide difluoride: isolation and some properties". The Journal of Physical Chemistry A. 71 (10): 3339–3341. doi:10.1021/j100869a035. ISSN 1089-5639.

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Xenon oxytetrafluoride

Reactions

See also

External links

References

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