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Uranium(III) bromide

From Wikipedia, the free encyclopedia
Uranium(III) bromide
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/3BrH.U/h3*1H;/q;;;+3/p-3 checkY
    Key: TYEZTGPOVBHTQW-UHFFFAOYSA-K checkY
  • Br[U](Br)Br
Properties
UBr3
Molar mass477.741
Appearancebrown solid
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).
Chemical compound

Uranium(III) bromide is an inorganic compound with the chemical formula UBr3. It is radioactive.

Preparation

[edit]

Uranium(III) bromide can be obtained by the reaction ofuranium metal oruranium(III) hydride andhydrogen bromide,[1] or it can also be prepared by the thermal decomposition of NH4UBr4·1.5CH3CN·6H2O.[2] It is difficult to synthesize due to its rapid oxidation in both water and air.[3]

References

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  1. ^Barnard, Robert; Bullock, Joseph I.; Gellatly, Barry J.; Larkworthy, Leslie F. (1973)."Chemistry of the trivalent actinides. Part III. Some chemical and physical properties of hydrated uranium(III) fluoride and the anhydrous chloride, bromide, and iodide. The stability of uranium(III) in aqueous solution and in organic solvents".Journal of the Chemical Society, Dalton Transactions (6):604–607.doi:10.1039/dt9730000604.ISSN 0300-9246.
  2. ^Lichtscheidl, Alejandro; Pagano, Justin; Scott, Brian; Nelson, Andrew; Kiplinger, Jaqueline (2016-01-06)."Expanding the Chemistry of Actinide Metallocene Bromides. Synthesis, Properties and Molecular Structures of the Tetravalent and Trivalent Uranium Bromide Complexes: (C5Me4R)2UBr2, (C5Me4R)2U(O-2,6-iPr2C6H3)(Br), and [K(THF)][(C5Me4R)2UBr2] (R = Me, Et)".Inorganics.4 (1): 1.doi:10.3390/inorganics4010001.ISSN 2304-6740.
  3. ^Barnard, Robert (1969).The chemistry of tervalent uranium (PhD thesis). University of Surrey. Retrieved2023-12-21.
U(II)
U(III)
Organouranium(III) compounds
U(IV)
Organouranium(IV) compounds
U(IV,V)
U(V)
U(V,VI)
U(VI)
Uranyl compounds
U(XII)
  • UO6 (hypothetical)
Salts and covalent derivatives of thebromide ion
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