Ditellurium bromide is the inorganic compound with the formula Te₂ Br. It is one of the few stable lower bromides of tellurium. Unlike sulfur and

selenium Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, ...

, tellurium forms families of polymeric subhalides where the halide/chalcogen ratio is less than 2.

Preparation and properties

Te₂Br is a gray solid. Its structure consists of a chain of Te atoms with Br occupying a doubly bridged site. It is prepared by heating tellurium with the appropriate stoichiometry of bromine near 215 °C. The corresponding chloride and iodide, Te₂Cl and Te₂I, are also known. Other tellurium bromides include the yellow liquid Te₂Br₂, the orange solid TeBr₄,Zhengtao Xu "Recent Developments in Binary Halogen–Chalcogen Compounds, Polyanions and Polycations" in Handbook of Chalcogen Chemistry: New Perspectives in Sulfur, Selenium and Tellurium, Francesco Devillanova, Editor, 2006, RSC. pp. 381-416. Royal Society and the greenish-black solid TeBr₂. Complexes of the type TeBr₂(thiourea)₂ are well characterized.

References

Bromides Nonmetal halides Tellurium compounds Chalcohalides {{Inorganic-compound-stub