Uranium(IV) Iodide
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Uranium IV Iodide
Uranium(IV) iodide
UI4.png
__ U4+     __ I-
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.381 Edit this at Wikidata
  • I[U](I)(I)I
Properties
UI4
Molar mass 745.647 g/mol
Appearance black hygroscopic crystals
Structure[1]
monoclinic
C2/c, No. 15
a = 1396.7 pm, b = 847.2 pm, c = 751 pm
? = 90°, ? = 90.54°, ? = 90°
Hazards
Radioactive
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Uranium(IV) iodide, also known as uranium tetraiodide, is an inorganic chemical compound of uranium in oxidation state +4.

Preparation

Uranium tetraiodide can be prepared from the reaction between uranium and an excess of iodine.[2]

Properties

Uranium tetraiodide is a black solid and forms needle-like crystals. Upon heating, it dissociates into uranium triiodide and iodine gas.[2] It crystallizes in the monoclinic crystal system, space group C2/c.[1]

References

  1. ^ a b Levy, J. H.; Taylor, J. C.; Waugh, A. B. (1980). "Crystal structure of uranium(IV) tetraiodide by x-ray and neutron diffraction". Inorganic Chemistry. 19 (3): 672-674. doi:10.1021/ic50205a019. ISSN 0020-1669.
  2. ^ a b Brauer, Georg (1978). Handbuch der Präparativen Anorganischen Chemie. II (3rd ed.). Stuttgart: Ferdinand Enke. p. 1218. ISBN 3-432-87813-3.

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Uranium(IV)_iodide
 



 



 
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