Astatine iodide is an interhalogen compound with the chemical formula At I. It is the second heaviest known interhalogen compound, after iodine tribromide.

Production

Astatine iodide is produced by the direct combination of

astatine Astatine is a chemical element with the symbol At and atomic number 85. It is the rarest naturally occurring element in the Earth's crust, occurring only as the decay product of various heavier elements. All of astatine's isotopes are short-live ...

and

iodine Iodine is a chemical element with the Symbol (chemistry), symbol I and atomic number 53. The heaviest of the stable halogens, it exists as a semi-lustrous, non-metallic solid at standard conditions that melts to form a deep violet liquid at , ...

in a 1:1 molar ratio: :2 At + I₂ → 2 AtI

References

Bibliography

* {{Iodides Interhalogen compounds Diatomic molecules Astatine compounds Iodine compounds