Tetraethylammonium diiron oxyhexachloride

Tetraethylammonium diiron oxyhexachloride is the chemical compound with the formula (N(C2H5)4)2Fe2OCl6. It is the tetraethylammonium salt of [Fe2OCl6]2-. Many related salts of [Fe2OCl6]2- are known. The anion consists of a pair of tetrahedral Fe(III) centers that share a oxo bridging ligand. The salt can be prepared by treatment of tetraethylammonium tetrachloroferrate with sodium trimethylsiloxide.