Bis(5,6-dicarboxy-benzimidazolium) sulfate monohydrate.

Acta Crystallogr Sect E Struct Rep Online

College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, People's Republic of China.

Published: May 2009

In the title compound, 2C(9)H(7)N(2)O(4) (+)·SO(4) (2-)·H(2)O, the sulfate S atom and the water O atom reside on a crystallographic twofold axis. In the crystal, the component species are linked by N-H⋯O, O-H⋯O and C-H⋯O hydrogen bonds, forming a three-dimensional network structure. An intramol-ecular O-H⋯O link is seen in the cation.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2969668PMC
http://dx.doi.org/10.1107/S1600536809018182DOI Listing

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