Gold(I,III) chloride

Gold(I,III) chloride is a black solid with the chemical formula Au4Cl8. It is an example of a mixed valence compound as it contains gold in two different oxidation states; square-planar gold(III) and almost linear gold(I). The compound must be handled carefully as it is photosensitive as well as extremely air and moisture sensitive.

Gold(I,III) chloride

Gold(I,III) chloride is a black solid with the chemical formula Au4Cl8. It is an example of a mixed valence compound as it contains gold in two different oxidation states; square-planar gold(III) and almost linear gold(I). The compound must be handled carefully as it is photosensitive as well as extremely air and moisture sensitive.