Promethium(III) iodide: Difference between revisions
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| Function = |
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| OtherAnions = [[promethium(III) fluoride]]<BR>[[promethium(III) chloride]]<BR>[[promethium(III) bromide]] |
| OtherAnions = [[promethium(III) fluoride]]<BR>[[promethium(III) chloride]]<BR>[[promethium(III) bromide]] |
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| OtherCations = [[neodymium(III) iodide]]<BR>[[samarium(III) iodide]] |
| OtherCations = [[neodymium(III) iodide]]<BR>[[samarium(III) iodide]] |
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Revision as of 08:52, 27 August 2022
| Names | |
|---|---|
| Other names
Promethium iodide
Promethium triiodide | |
| Identifiers | |
3D model (JSmol)
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| Properties | |
| PmI3 | |
| Appearance | red solid[1] |
| Melting point | 695 °C[1] |
| Related compounds | |
Other anions
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promethium(III) fluoride promethium(III) chloride promethium(III) bromide |
Other cations
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neodymium(III) iodide samarium(III) iodide |
Related compounds
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promethium diiodide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Promethium(III) iodide is an inorganic compound, with the chemical formula of PmI3. It is radioactive.
Preparation
Promethium(III) iodide is obtained by reacting anhydrous hydrogen iodide and promethium(III) chloride at a high temperature:
- PmCl3 + 3 HI → PmI3 + 3 HCl[2]
From the reaction of a HI-H2 mixture and promethium oxide (Pm2O3), only promethium oxyiodide (PmOI) can be obtained. Promethium oxide reacts with molten aluminum iodide at 500°C to form promethium iodide.[citation needed][3]
References
- ^ a b A. F. Holleman, E. Wiberg, N. Wiberg: Lehrbuch der Anorganischen Chemie. 102. Auflage. de Gruyter, Berlin 2007, ISBN 978-3-11-017770-1, p 1942.
- ^ Wilmarth, W. R.; Begun, G. M.; Haire, R. G.; et al. (2005). "Raman spectra of Pm2O3, PmF3, PmCl3, PmBr3 and PmI3". Journal of Raman Spectroscopy. 19 (4).
- ^ Weigel, Fritz. "Die Chemie des Promethiums...". Radiochimica Acta: 591. more complete reference required
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