Rhenium (IV) iodide
General | ||||||||||
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Surname | Rhenium (IV) iodide | |||||||||
other names |
Rhenium tetraiodide |
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Molecular formula | ReI 4 | |||||||||
Brief description |
black powder |
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External identifiers / databases | ||||||||||
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properties | ||||||||||
Molar mass | 693.82 g mol −1 | |||||||||
Physical state |
firmly |
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safety instructions | ||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Rhenium (IV) iodide is an inorganic chemical compound of rhenium from the group of iodides .
Extraction and presentation
Rhenium (IV) iodide can be obtained by reacting a perrhenic acid solution (obtained by dissolving rhenium (VII) oxide in water) with hydroiodic acid.
properties
Rhenium (IV) iodide is a hygroscopic black powder. It is soluble in acetone and ether; hydrolysis occurs in water . In a vacuum it loses iodine at room temperature. Its structure consists of Re 2 I 9 units which are connected to the iodine atoms to form zigzag chains.
Individual evidence
- ↑ a b c d Georg Brauer (Ed.) U. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0 , p. 1613.
- ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
- ^ Arnold F. Holleman, Egon Wiberg, Nils Wiberg: Inorganic Chemistry . Academic Press, 2001, ISBN 0-12-352651-5 , pp. 1420 ( limited preview in Google Book search).