Rhenium(III) iodide explained

Rhenium(III) iodide is a binary chemical compound of rhenium and iodide with the chemical formula .^{[1] [2]}

Synthesis

Rhenium(III) iodide can be synthesized by the decomposition of rhenium(IV) iodide:^{[3] [4]}

Another way to make it is by introduction of ethanol into a mixture of perrhenic acid and hydroiodic acid.

Physical properties

Rhenium(III) iodide forms violet-black crystals. It is poorly soluble in water, acetone, ethanol, ether, and dilute acid solutions.

Chemical properties

When heated in vacuum up to 170 °C, the compound decomposes to rhenium(II) iodide, and at 380 °C — to rhenium(I) iodide:

Notes and References

1. Web site: Rhenium(III) Iodide . . 6 May 2023.
2. Web site: Rhenium(III) iodide . Alfa Chemistry . 6 May 2023.
3. Book: Kemmitt . R. D. W. . Peacock . R. D. . The Chemistry of Manganese, Technetium and Rhenium: Pergamon Texts in Inorganic Chemistry . 26 January 2016 . . 978-1-4831-8762-4 . 918 . 6 May 2023 . en.
4. Book: Inorganic Syntheses, Volume 7 . 22 September 2009 . . 978-0-470-13270-8 . 185 . 6 May 2023 . en.