Iodosyl pentafluoride is an inorganic compound of iodine, fluorine, and oxygen with the chemical formula IOF5.
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| Other names
Iodine oxide pentafluoride, iodosylpentafluoride
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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| Properties | |
| IOF5 | |
| 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
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Iodosyl trifluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis
edit- Reaction of iodine heptafluoride with water:[1][2]
- IF7 + H2O → IOF5 + 2 HF
- Reaction of iodine heptafluoride with silicon dioxide:[3][4]
- 2 IF7 + SiO2 → 2 IOF5 + SiF4
Physical properties
editIodosyl pentafluoride forms a 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
editThe 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
edit- ^ Wiberg, Egon; Wiberg, Nils (2001). Inorganic Chemistry. Academic Press. p. 468. ISBN 978-0-12-352651-9. Retrieved 24 May 2023.
- ^ 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.
- ^ a b 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.
{{cite web}}: CS1 maint: numeric names: authors list (link) - ^ 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.
- ^ 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.
- ^ 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. Bibcode:1993JAChS.115.9655C. doi:10.1021/ja00074a034. ISSN 0002-7863. Retrieved 24 May 2023.
- ^ 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. Bibcode:1980JFluC..15..223M. doi:10.1016/S0022-1139(00)82578-6. ISSN 0022-1139. Retrieved 24 May 2023.
- ^ Holloway, John H.; Laycock, David (1 January 1983). "Preparations and Reactions of Inorganic Main-Group Oxide Fluorides". Advances in Inorganic Chemistry. 27. Academic Press: 157–195. doi:10.1016/S0898-8838(08)60107-5. ISBN 9780120236275. Retrieved 24 May 2023.