Acta Cryst. (2003). E59, o649-o651  [ doi:10.1107/S1600536803007906 ]

Diprotonated adeninium diperchlorate hydrate at 120 K

L. Bendjeddou, A. Cherouana, S. Dahaoui, N. Benali-Cherif and C. Lecomte

Abstract: In the title compound, C₅H₉N₅²⁺·2ClO₄^-·H₂O, the structure can be described as alternating layers of C₅H₉N₅²⁺ and ClO₄^- ions along the a axis. Layers of adeninium cations and perchlorate anions are linked by strong anion-cation and anion-water hydrogen bonds via the sandwiched water molecules. This three-dimensional complex network of hydrogen bonds (N-HO) reinforces the cohesion of the ionic structure.

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