Iodosyl pentafluoride

Iodosyl pentafluoride

Names
Other names Iodine oxide pentafluoride, iodosylpentafluoride
Identifiers
CAS Number	16056-61-4  Y
3D model (JSmol)	Interactive image
PubChem CID	23237529
InChI InChI=1S/F5IO/c1-6(2,3,4,5)7 Key: CVIVTNSVCYWLHI-UHFFFAOYSA-N
SMILES F[I](=O)(F)(F)(F)F
Properties
Chemical formula	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	Iodosyl trifluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Iodosyl pentafluoride is an inorganic compound of iodine, fluorine, and oxygen with the chemical formula I O F ₅.

Synthesis

• 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

Iodosyl 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

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. Bibcode:1993JAChS.115.9655C. 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. Bibcode:1980JFluC..15..223M. 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. 27. Academic Press: 157–195. doi:10.1016/S0898-8838(08)60107-5. ISBN   9780120236275 . Retrieved 24 May 2023.