Iridium (III) iodide
| Crystal structure | ||||||||||
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-chlorid.png)
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| __ Ir 3+ __ I - | ||||||||||
| General | ||||||||||
| Surname | Iridium (III) iodide | |||||||||
| other names |
Iridium triiodide |
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| Ratio formula | IrI 3 | |||||||||
| Brief description |
dark brown solid |
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| External identifiers / databases | ||||||||||
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| properties | ||||||||||
| Molar mass | 572.93 g mol −1 | |||||||||
| density |
7.4 g cm −3 |
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| solubility |
practically insoluble in water and benzene |
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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 . | ||||||||||
Iridium (III) iodide is an inorganic chemical compound of iridium from the group of iodides .
Extraction and presentation
Iridium (III) iodide can be obtained by reacting iridium (IV) iodide with hydrogen at 210 ° C. It can also be obtained by reacting iridium (IV) oxide or iridium (III) hydroxide with hydrogen iodide .
properties
Iridium (III) iodide is a dark brown solid that is practically insoluble in water. It has a monoclinic crystal structure of the chromium (III) chloride type. The trihydrate has a yellow or reddish yellow color and, when heated, converts to dihydrate and anhydrate. A brown monohydrate is also known.
Individual evidence
- ↑ a b c d Dale L. Perry: Handbook of Inorganic Compounds, Second Edition . CRC Press, 2016, ISBN 978-1-4398-1462-8 , pp. 523 ( limited preview in Google Book search).
- ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
- ↑ Lamberto MALATESTA: STUDIES ON IRIDIUM COMPOUNDS , 1961
- ^ A b William Pettit Griffith: The chemistry of the rarer platinum metals (Os, Ru, Ir, and Rh) . Interscience Publishers, 1967, pp. 241 ( limited preview in Google Book search).
- ^ Raymond Eller Kirk, Donald Frederick Othmer, Herman Francis Mark: Encyclopedia of Chemical Technology: Editorial Board: Herman F. Mark ... Interscience Publishers, p. 871 ( limited preview in Google Book search).
- ↑ R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 494 ( limited preview in Google Book search).
- ↑ K. Brodersen: Structure of β-RuCl3, RuI3, IrBr3, and IrI3. In: Angewandte Chemie International Edition in English. 7, 1968, p. 148, doi: 10.1002 / anie.196801481 .
- ↑ HJ Kandiner: Iridium . Springer-Verlag, 2013, ISBN 978-3-662-12128-3 ( limited preview in Google book search).