Plutonium oxyiodide or plutonium oxide iodide is an inorganic compound of plutonium, oxygen, and iodine with the chemical formula .
Synthesis Plutonium oxyiodide is produced in a reaction of plutonium dioxide with hydrogen iodide:
It can also be made by passing hydrogen iodide through heated plutonium(IV) oxide:
Physical properties Plutonium oxyiodide forms bright green crystals of the tetragonal crystal system, space group P4/nmm.
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