Acta Cryst. (2009). E65, o1679 [ doi:10.1107/S1600536809023800 ]
Abstract: The crystal structure of the title compound, 2C5H6NO2+·C4H2O42-, consists of 3-hydroxypyridinium cations and fumarate dianions. The dianion is located on an inversion center and the cation is linked to it by O-HO and N-HO hydrogen bonds. The cation is twisted with respect to the anion by 24.83 (5)°.
Online 24 June 2009
Copyright © International Union of Crystallography