Phosphorus pentaiodide

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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 PI4+I ...)".[2]


  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 0-08-037941-9.