Gold(III) iodide

{{Chembox

| Name =

| ImageFile = Gold(III)-iodide-3D-vdW.png

| OtherNames = Auric iodide
Gold iodide
Digold hexaiodide

| IUPACName =

| SystematicName = Gold(III) iodide

| Section1 = {{Chembox Identifiers

| CASNo = 13453-24-2

| ChemSpiderID = 4896046

| PubChem = 3691217

| StdInChI=1S/Au.3HI/h;3*1H/q+3;;;/p-3

| StdInChIKey = GCZKMPJFYKFENV-UHFFFAOYSA-K

| SMILES = I[Au](I)I

}}

| Section2 = {{Chembox Properties

| Au=1|I=3

}}

| Section3 =

| Section4 =

| Section5 =

| Section6 =

}}

Gold iodide is a hypothetical chemical compound with the formula {{chem2|AuI3|auto=1}}. Although {{chem2|Au2I6}} 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. {{doi|10.1002/1521-3765(20010716)7:14<3167::AID-CHEM3167>3.0.CO;2-G}}

gold(III) iodide remains an example of a nonexistent or unstable compound.{{citation|author1=Schulz, A. |author2=Hargittai, M. |year=2001|title=Structural variations and bonding in gold halides: A quantum chemical study of monomeric and dimeric gold monohalide and gold trihalide molecules, AuX, Au2X2, AuX3, and Au2X6 (X = F, Cl, Br, I)|journal=Chemistry - A European Journal|volume=7|number=17|pages=3657–3670|doi=10.1002/1521-3765(20010903)7:17<3657::aid-chem3657>3.0.co;2-q|pmid=11575767}}; also see [https://www.deepdyve.com/lp/wiley/graphical-abstract-F49pl0yE5k cover picture] description Attempts to isolate pure samples result in the formation of gold(I) iodide and iodine:

:{{chem2|AuI3 → AuI + I2}}{{cn|date=September 2019}}