Disulfur dibromide is the

inorganic compound An inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds⁠that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as ''inorganic chemistry''. Inorgan ...

with the formula . It is a yellow-brown liquid that fumes in air. It is prepared by direct combination of the elements and purified by vacuum distillation. Higher yields can be obtained from

disulfur dichloride Disulfur dichloride (or disulphur dichloride by the British English spelling) is the inorganic compound of sulfur and chlorine with the Chemical formula, formula . It is an amber oily liquid. Sometimes, this compound is incorrectly named ''sulfur ...

and 50% aqueous hydrobromic acid, but the product must be promptly removed from water, lest it hydrolyze. The compound has no particular application, unlike the related sulfur compound

, although acidic

alcoholysis In chemistry, solvolysis is a type of nucleophilic substitution (S1/S2) or elimination where the nucleophile is a solvent molecule. Characteristic of S1 reactions, solvolysis of a chiral reactant affords the racemate. Sometimes however, the ster ...

is "an excellent synthesis of alkyl bromides." The molecular structure is , akin to that of

(). According to

electron diffraction Electron diffraction is a generic term for phenomena associated with changes in the direction of electron beams due to elastic interactions with atoms. It occurs due to elastic scattering, when there is no change in the energy of the electrons. ...

measurements, the angle between the and planes is 84° and the angle is 107°. The distance is 198.0 pm, circa 5.0 pm shorter than for .

References

{{Bromine compounds Bromides Disulfides Sulfur halides