Iodine trifluoride dioxide

Iodine trifluoride dioxide
Names
	Other names Iodyl trifluoride
Identifiers
CAS Number	25402-50-0 ;
3D model (JSmol)	Interactive image;
	InChI InChI=1S/F3IO2/c1-4(2,3,5)6 Key: IEYUHHXVKPWNHY-UHFFFAOYSA-N;
	SMILES F[I](=O)(=O)(F)F;
Properties
Chemical formula	F3IO2
Molar mass	215.898 g·mol−1
Appearance	yellow crystals
Melting point	41 °C (106 °F; 314 K)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	ignites on contact with flammable organic substances
Related compounds
Related compounds	Iodosyl trifluoride; Iodosyl pentafluoride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Iodine trifluoride dioxide is an inorganic compound of iodine, fluorine, and oxygen with the chemical formula IO₂F₃.^[1]^[2]^[3] The compound was first obtained by Engelbrecht and Petersy in 1969.^[4]

Synthesis

Iodine trifluoride dioxide may be formed by the reaction of HOIOF₄ and oleum.^[4]

Physical properties

Iodine trifluoride dioxide forms yellow crystals, which melt at 41 °C.^[5] Decomposes under direct sunlight or heating.

The molecules in the crystals are dimers. The compound is monomeric above 100 °C.^[6]

Chemical properties

Iodine trifluoride dioxide decomposes when heated:

2IO₂F₃ → 2IOF₃ + O₂

References

^ Haynes, William M. (4 June 2014). CRC Handbook of Chemistry and Physics. CRC Press. p. 4-67. ISBN 978-1-4822-0868-9. Retrieved 24 May 2023.
^ "iodine trifluoride dioxide". ChemSrc. Retrieved 24 May 2023.
^ Carter, H. A.; Ruddick, J. N.; Sams, J. R.; Aubke, F. (1 January 1975). "Some reactions of iodine(VII) dioxide trifluoride, IO2F3". Inorganic and Nuclear Chemistry Letters. 11 (1): 29–34. doi:10.1016/0020-1650(75)80142-5. ISSN 0020-1650. Retrieved 24 May 2023.
^ ^a ^b Advances in Inorganic Chemistry. Academic Press. 1 November 1983. p. 180. ISBN 978-0-08-057876-7. Retrieved 24 May 2023.
^ Downs, A. J.; Adams, C. J. (4 May 2017). The Chemistry of Chlorine, Bromine, Iodine and Astatine: Pergamon Texts in Inorganic Chemistry, Volume 7. Elsevier. p. 1395. ISBN 978-1-4831-5832-7. Retrieved 24 May 2023.
^ Wiberg, Egon; Wiberg, Nils (2001). Inorganic Chemistry. Academic Press. p. 468. ISBN 978-0-12-352651-9. Retrieved 24 May 2023.

[1] Haynes, William M. (4 June 2014). CRC Handbook of Chemistry and Physics. CRC Press. p. 4-67. ISBN 978-1-4822-0868-9. Retrieved 24 May 2023.

[2] "iodine trifluoride dioxide". ChemSrc. Retrieved 24 May 2023.

[3] Carter, H. A.; Ruddick, J. N.; Sams, J. R.; Aubke, F. (1 January 1975). "Some reactions of iodine(VII) dioxide trifluoride, IO2F3". Inorganic and Nuclear Chemistry Letters. 11 (1): 29–34. doi:10.1016/0020-1650(75)80142-5. ISSN 0020-1650. Retrieved 24 May 2023.

[AP-4] Advances in Inorganic Chemistry. Academic Press. 1 November 1983. p. 180. ISBN 978-0-08-057876-7. Retrieved 24 May 2023.

[5] Downs, A. J.; Adams, C. J. (4 May 2017). The Chemistry of Chlorine, Bromine, Iodine and Astatine: Pergamon Texts in Inorganic Chemistry, Volume 7. Elsevier. p. 1395. ISBN 978-1-4831-5832-7. Retrieved 24 May 2023.

[6] Wiberg, Egon; Wiberg, Nils (2001). Inorganic Chemistry. Academic Press. p. 468. ISBN 978-0-12-352651-9. Retrieved 24 May 2023.

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