Rhenium tetraiodide

Rhenium tetraiodide is a binary chemical compound of rhenium and iodide with the chemical formula ReI
4.[1][2][3]

Rhenium tetraiodide
Names
Other names
Rhenium(IV) iodide, tetraiodorhenium
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/4HI.Re/h4*1H;/q;;;;+4/p-4
    Key: KGKLLWHEYDUTBF-UHFFFAOYSA-J
  • I[Re](I)(I)I
Properties
I4Re
Molar mass 693.825 g·mol−1
Appearance black solid
Density g/cm3
reacts with water
Related compounds
Related compounds
 Iridium tetraiodide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Synthesis

Rhenium tetraiodide can be obtained via the reduction of perrhenic acid with hydrogen iodide:[4]

2HReO4 + 14HI4 → 2ReI4 + 3I2 + 8H2O

Physical properties

Rhenium tetraiodide forms black solid substance which is soluble in acetone and ether. Hydrolyzed by water, hygroscopic.[5]

Chemical properties

Rhenium tetraiodide is hydrolyzed by water:[5]

ReI4 + 2H2O → ReO2 + 4HI

Rhenium tetraiodide decomposes when heated:[5][6]

ReI4 → ReI3, ReI2, ReI, I2

References
  1. "WebElements Periodic Table » Rhenium » rhenium tetraiodide". webelements.com. Retrieved 7 May 2023.
  2. Brown, D.; Colton, R. (June 1963). "Preparation of Rhenium Tetrachloride". Nature. 198 (4887): 1300–1301. Bibcode:1963Natur.198.1300B. doi:10.1038/1981300a0. ISSN 1476-4687. S2CID 4208748. Retrieved 7 May 2023.
  3. Colton, R.; Levitus, R.; Wilkinson, G. (1 January 1960). "806. Some complex compounds of rhenium". Journal of the Chemical Society (Resumed): 4121–4126. doi:10.1039/JR9600004121. ISSN 0368-1769. Retrieved 7 May 2023.
  4. Kemmitt, R. D. W.; Peacock, R. D. (26 January 2016). The Chemistry of Manganese, Technetium and Rhenium: Pergamon Texts in Inorganic Chemistry. Elsevier. p. 921. ISBN 978-1-4831-8762-4. Retrieved 7 May 2023.
  5. Savit︠s︡kiĭ, Evgeniĭ Mikhaĭlovich; Tulkina, Marii︠a︡ Aronovna; Povarova, Kira Borisovna (1970). Rhenium Alloys. Israel Program for Scientific Translations; [available from the U.S. Department of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.] p. 62. Retrieved 9 May 2023.
  6. "CharChem. Rhenium(IV) iodide". easychem.org. Retrieved 9 May 2023.
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