Iodosyl pentafluoride

Iodosyl pentafluoride is an inorganic compound of iodine, fluorine, and oxygen with the chemical formula IOF5.

Iodosyl pentafluoride
Names
Other names
Iodine oxide pentafluoride, iodosylpentafluoride
Identifiers
3D model (JSmol)
  • InChI=1S/F5IO/c1-6(2,3,4,5)7
    Key: CVIVTNSVCYWLHI-UHFFFAOYSA-N
  • F[I](=O)(F)(F)(F)F
Properties
F5IO
Molar mass 237.895 g·mol−1
Appearance colorless liquid
Melting point 4.5 °C (40.1 °F; 277.6 K)
Related compounds
Related compounds
 Iodosyl trifluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Synthesis
IF7 + H2O → IOF5 + 2HF
2IF7 + SiO2 → 2IOF5 + SiF4

Physical properties

Iodosyl pentafluoride forms colorless liquid.[5] The molecule of IOF5 is a distorted octahedron O=I(F4)–F.[6] Its melting point 4.5 °C.[3]

Chemical properties

The compound reacts with graphite to form a black graphite intercalation compound.[7] Iodosyl pentafluoride also forms adducts with arsenic pentafluoride and antimony pentafluoride.[8]

References
  1. Wiberg, Egon; Wiberg, Nils (2001). Inorganic Chemistry. Academic Press. p. 468. ISBN 978-0-12-352651-9. Retrieved 24 May 2023.
  2. Schack, Carl J.; Pilipovich, Donald; Cohz, Samuel N.; Sheehan, David F. (December 1968). "Mass spectra and sublimation pressures of IF7 and IOF5". The Journal of Physical Chemistry. 72 (13): 4697–4698. doi:10.1021/j100859a061. ISSN 0022-3654. Retrieved 24 May 2023.
  3. 第2版, 化学辞典. "ヨードシル塩(ヨードシルエン)とは？ 意味や使い方". コトバンク (in Japanese). Retrieved 24 May 2023.
  4. Christe, Karl O.; Wilson, William W.; Wilson, Richard D. (March 1989). "Fluorine-oxygen exchange reactions in iodine pentafluoride, iodine heptafluoride, and iodine pentafluoride oxide". Inorganic Chemistry. 28 (5): 904–908. doi:10.1021/ic00304a021. ISSN 0020-1669. Retrieved 24 May 2023.
  5. Haynes, William M. (4 June 2014). CRC Handbook of Chemistry and Physics. CRC Press. pp. 4–67. ISBN 978-1-4822-0868-9. Retrieved 24 May 2023.
  6. Christe, Karl O.; Curtis, Earl C.; Dixon, David A. (October 1993). "On the structure of IOF5 [iodine fluoride oxide]". Journal of the American Chemical Society. 115 (21): 9655–9658. doi:10.1021/ja00074a034. ISSN 0002-7863. Retrieved 24 May 2023.
  7. Münch, Volker; Selig, Henry; Ebert, Lawrence B. (1 March 1980). "The reaction of iodine oxide pentafluoride and rhenium oxide pentafluoride with graphite". Journal of Fluorine Chemistry. 15 (3): 223–230. doi:10.1016/S0022-1139(00)82578-6. ISSN 0022-1139. Retrieved 24 May 2023.
  8. Holloway, John H.; Laycock, David (1 January 1983). "Preparations and Reactions of Inorganic Main-Group Oxide Fluorides". Advances in Inorganic Chemistry. Academic Press. 27: 157–195. doi:10.1016/S0898-8838(08)60107-5. ISBN 9780120236275. Retrieved 24 May 2023.
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