Anhydro-iodic acid
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| Anhydro-iodic acid | |
|---|---|
| IUPAC name | iodic acid — diiodine pentaoxide (1/1) |
| Identifiers | |
| InChI | InChI=1/I2O5.HIO3/c3-1(4)7-2(5)6;2-1(3)4/h;(H,2,3,4) |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Anhydro-iodic acid, HI3O8, is an adduct of iodic acid and iodine pentoxide, i.e. HIO3·I2O5. It is formed by the partial dehydration of iodic acid at about 100 °C, or by absorption of water by iodine pentoxide.[1][Note 1] It can be dehydrated to I2O5 by heating in dry air to about 200 °C.[1]
Notes and references
Notes
References
Further reading
- Feikema, Y. D.; Vos, Aafje The crystal structures of two oxy-acids of iodine. II. An X-ray diffraction study of anhydro-iodic acid, HI3O8. Acta Crystallogr. 1966, 20 (6), 769–77. DOI: 10.1107/S0365110X6600183X.
- Ståhl, Kenny; Svensson, Christer; Szafranski, Marek A Combined Neutron Powder and X-Ray Single Crystal Diffraction Study of Anhydro-Iodic Acid, DIO3·I2O5, at 293 K. J. Solid State Chem. 1993, 102 (2), 408–13. DOI: 10.1006/jssc.1993.1052.
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