Gold iodide is a hypothetical chemical compound with the formula . Although is predicted to be stable,Tilo Söhnel, Reuben Brown, Lars Kloo Peter Schwerdtfeger "The Stability of Gold Iodides in the Gas Phase and the Solid State" Chemistry - A European Journal 2001, volume 7, 3167–3173. gold(III) iodide remains an example of a nonexistent or unstable compound.; also see cover picture description Attempts to isolate pure samples result in the formation of gold(I) iodide and iodine:
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