Iodosyl pentafluoride

Iodosyl pentafluoride is an inorganic compound of iodine, fluorine, and oxygen with the chemical formula IOF5.

Synthesis

 * Reaction of iodine heptafluoride with water:


 * IF7 + H2O -> IOF5 + 2 HF


 * Reaction of iodine heptafluoride with silicon dioxide:


 * 2 IF7 + SiO2 -> 2 IOF5 + SiF4

Physical properties
Iodosyl pentafluoride forms a colorless liquid. The molecule of IOF5 is a distorted octahedron O=I(F4)–F. Its melting point 4.5 °C.

Chemical properties
The compound reacts with graphite to form a black graphite intercalation compound. Iodosyl pentafluoride also forms adducts with arsenic pentafluoride and antimony pentafluoride.