Xenon dibromide

Xenon dibromide is an unstable chemical compound with the chemical formula XeBr₂. It was only produced by the decomposition of iodine-129:^[2][3]

¹²⁹IBr₂^– → XeBr₂ + e^–

Xenon dibromide

Names
IUPAC name Dibromoxenon
Other names Xenon(II) bromide
Identifiers
CAS Number	73378-57-1 Y
3D model (JSmol)	Interactive image
ChemSpider	2342693
PubChem CID	3085953
CompTox Dashboard (EPA)	DTXSID8072744
InChI InChI=1S/Br2Xe/c1-3-2 Key: ILFGODHCYAHKOR-UHFFFAOYSA-N
SMILES Br[Xe]Br
Properties
Chemical formula	XeBr2
Molar mass	291.10 g/mol
Thermochemistry
Gibbs free energy (ΔfG⦵)	32.5 kJ·mol−1[1]
Related compounds
Other anions	Xenon difluoride Xenon dichloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Attempts to prepare this compound by combining elemental xenon and bromine only resulted in the XeBr radical.^[4] This compound is expected to be less stable than xenon difluoride and xenon dichloride. It is also expected to decompose to xenon and bromine.^[1]