Bis(2-amino-3-nitropyridinium) dichromate(VI)
Samah Akriche, Mohamed Rzaigui
Acta Crystallographica Section E · 2009
doi:10.1107/s1600536808043018 (opens in a new tab)
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Abstract
The title compound, (C5H6N3O2)2[Cr2O7], consists of 2-amino-3-nitropyridinium cations and discrete dichromate anions linked together by N—H...O and C—H...O hydrogen bonds, forming thick layers parallel to (101). Layer cohesion is ensured by N—H...O hydrogen bonding in addition to electrostatic and van der Waals interactions, forming a three-dimensional framework. The dichromate anion is located on a twofold axis that passes through its bridging O atom.
Abstract licence: CC BY
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