Chemistry:Bromyl fluoride

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Bromyl fluoride
Names
Other names
Bromine fluoride dioxide
Identifiers
3D model (JSmol)
ChemSpider
Properties
BrO
2F
Molar mass 130.900 g·mol−1
Appearance colorless liquid
Melting point −9 °C (16 °F; 264 K)
reacts with water
Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Tracking categories (test):

Bromyl fluoride is an inorganic compound of bromine, fluorine, and oxygen with the chemical formula BrO
2F.[1][2]

Synthesis

  • A reaction of K+
    [BrF
    4    O]−
     (potassium tetrafluorooxobromate(V)) with HF.[3]
  • Hydrolysis of bromine pentafluoride at low temperatures:
BrF
5 + 2 H
2O → BrO
2F + 4 HF (1).

Physical properties

The compound forms a colorless volatile liquid that decomposes at temperatures above 10 °C. It is highly reactive and unstable,[4] and corrodes glass at room temperature due the formation of HF upon reaction with water (1).

Chemical properties

  • Decomposes when heated:[5]
3 BrO
2F → BrF
3 + Br
2 + 3 O
2
  • Reacts violently with water:[6]
BrO
2F + H
2O → HBrO
3 + HF
BrO
2F + 2 NaOH → NaBrO
3 + NaF + H
2O

References

  1. ↑ Christe, Karl O.; Curtis, E. C.; Jacob, Eberhard (1 October 1978). "Bromyl fluoride. Vibrational spectra, force field, and thermodynamic properties" (in en). Inorganic Chemistry 17 (10): 2744–2749. doi:10.1021/ic50188a011. ISSN 0020-1669. 
  2. ↑ Baran, Enrique J. (January 1976). "Vibrational Properties of Bromyl Fluoride" (in en). Spectroscopy Letters 9 (6): 323–327. doi:10.1080/00387017608067443. ISSN 0038-7010. Bibcode: 1976SpecL...9..323B. 
  3. ↑ 3.0 3.1 Gillespie, Ronald J.; Spekkens, Paul H. (1 January 1977). "Bromyl fluoride and bromosyl trifluoride: preparation and chemical and spectroscopic properties" (in en). Journal of the Chemical Society, Dalton Transactions (16): 1539–1546. doi:10.1039/DT9770001539. ISSN 1364-5447. 
  4. ↑ Seppelt, Konrad (19 December 2019). "Reactions of Bromine Fluoride Dioxide, BrO2F, for the Generation of the Mixed-Valent Bromine Oxygen Cations Br3O4+ and Br3O6+" (in en). Angewandte Chemie International Edition 58 (52): 18928–18930. doi:10.1002/anie.201912271. ISSN 1433-7851. PMID 31622009. Bibcode: 2019ACIE...5818928S. 
  5. ↑ Gillespie, Ronald J.; Spekkens, Paul H. (1977). "Bromyl fluoride and bromosyl trifluoride: preparation and chemical and spectroscopic properties" (in en). Journal of the Chemical Society, Dalton Transactions (16): 1539. doi:10.1039/dt9770001539. ISSN 0300-9246. https://xlink.rsc.org/?DOI=dt9770001539. 
  6. ↑ Sloth, Eric N.; Stein, Lawrence; Williams, Clayton W. (1969-01-01). "Mass spectra of hydrolyzed bromine fluorides" (in en). The Journal of Physical Chemistry 73 (1): 278–280. doi:10.1021/j100721a050. ISSN 0022-3654. Bibcode: 1969JPhCh..73..278S. https://pubs.acs.org/doi/abs/10.1021/j100721a050. 
  7. ↑ Advanced inorganic chemistry (6th ed.). New York: J. Wiley. 1999. ISBN 978-0-471-19957-1. 



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