Technetium(IV) bromide

Technetium(IV) bromide

Names
IUPAC name Technetium(IV) tetrabromide
Other names Technetium tetrabromide
Identifiers
CAS Number	74078-05-0
3D model (JSmol)	Interactive image
ChemSpider	25946366
PubChem CID	154410213
InChI InChI=1S/4BrH.Tc/h4*1H;/q;;;;+4/p-4 Key: GNODMDUIUYMUIB-UHFFFAOYSA-J
SMILES Br[Tc](Br)(Br)Br
Properties
Chemical formula	TcBr4
Molar mass	337.62 g/mol
Appearance	Black or brown solid
Density	4.888 g/cm3
Solubility in water	Soluble
Structure
Crystal structure	Orthorhombic
Related compounds
Other cations	Technetium chloride
Related	Manganese(II) bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Technetium(IV) bromide is an inorganic compound with the formula TcBr₄. A brown solid, it is moderately soluble in water. ^[1]

Preparation

Technetium tetrabromide is produced by combining the elements at elevated temperatures:

Tc + 2 Br₂ → TcBr₄

Structure

As verified by X-ray crystallography, the compound is an inorganic polymer consisting of interconnected TcBr₆ octahedra. Platinum(IV) bromide and osmium(IV) bromide adopt similar structures.

References

1. Poineau, Frederic; Rodriguez, Efrain E.; Forster, Paul M.; Sattelberger, Alfred P.; Cheetham, Anthony K.; Czerwinski, Kenneth R. (2009-01-28). "Preparation of the Binary Technetium Bromides: TcBr₃ and TcBr₄". Journal of the American Chemical Society. 131 (3). American Chemical Society (ACS): 910–911. Bibcode:2009JAChS.131..910P. doi:10.1021/ja808597r. ISSN   0002-7863. PMID   19115848.