Astatine monoiodide

Astatine monoiodide

Names
IUPAC name Astatine monoiodide
Other names Astatine iodide
Identifiers
3D model (JSmol)	Interactive image
ChemSpider	34496389
InChI InChI=1S/AtH2.HI/h1H2;1H/q+1;/p-1 Key: TWAXUBWUPRBIEH-UHFFFAOYSA-M InChI=1/AtH2.HI/h1H2;1H/q+1;/p-1 Key: TWAXUBWUPRBIEH-REWHXWOFAE
SMILES [I-].[At+]
Properties
Chemical formula	AtI
Molar mass	336.904 g/mol
Related compounds
Other anions	Astatine monobromide Astatine monochloride
Related interhalogen compounds	Iodine monochloride Iodine monofluoride Bromine monochloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Astatine monoiodide is an interhalogen compound with the chemical formula AtI. It is the heaviest known interhalogen compound (with the possible exception of iodine pentabromide, IBr₅, whose existence is disputed).

Production

Astatine monoiodide is produced by the direct combination of astatine and iodine in a 1:1 molar ratio:^[1]

2 At + I₂ → 2 AtI

References

Bibliography

• Zuckerman, J J; Hagen, A P (1989). Inorganic Reactions and Methods, the Formation of Bonds to Halogens. John Wiley & Sons. ISBN 978-0-471-18656-4. 

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