Phosphorus pentaiodide

Phosphorus pentaiodide is an inorganic compound with formula PI5. The existence of this compound has been claimed intermittently since the early 1900s.[1] The claim is disputed: "The pentaiodide does not exist (except perhaps as PI3·I2, but certainly not as PI+
4I−
...)".[2]

"PI5" redirects here. It is not to be confused with Pi5.

References
  1. Walker and Johnson, J. Chem. Soc. 87, 1595 (1905).
  2. Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.
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