Dipotassium 4,4'-(hexane-3,4-diyl)bis(benzenesulfonate) dihydrate
Abstract
The anion of the title compound, also called sygethin dihydrate, 2K+.C18H20O6S22-.2H2O, has crystallographic inversion symmetry. The K+ cation is surrounded by eight O atoms in a distorted cubic coordination geometry, forming extended K-O-S networks. There are also O-HO hydrogen bonds.