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(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 , 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

^ 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. doi:10.1021/ja808597r. ISSN 0002-7863. PMID 19115848.

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[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. doi:10.1021/ja808597r. ISSN 0002-7863. PMID 19115848.

[1]

v t e Technetium compounds
Technetium(II)	TcCl₂
Technetium(III)	TcCl₃ TcBr₃ TcI₃
Technetium(IV)	TcCl₄ TcBr₄ TcO₂ TcS₂
Technetium(V)	TcF₅ NaTcO₃
Technetium(VI)	TcF₆ TcO₃
Technetium(VII)	Tc₂O₇ Tc₂S₇ HTcO₄ NaTcO₄ KTcO₄ RbTcO₄ CsTcO₄ NH₄TcO₄ TcO ₃F

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(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 , 100 kPa). Infobox references