The title compound, [HN(C2H4OH)(3)](2)[PtCl6], comprises [HN(C2H4OH)(3
)](+) and [PtCl6](2-) ions. In the cation, the ammonium PI atom forms
an intramolecular bifurcated hydrogen bond with two O atoms. The anion
s and cations are joined in polymeric chains through hydrogen bonds in
volving the hydroxyl H atom and the coordinated Cl atoms. The crystal
structure is of the antifluorite type.