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Open Access Publications from the University of California

Acridinium 6-carboxypyridine-2-carboxylate monohydrate

  • Author(s): Derikvand, Z
  • Olmstead, MM
  • Attar Gharamaleki, J
  • et al.

The title compound, C13H10N+·C7H4NO4-·H2O or (acrH)+(pydcH)-·H2O, is a monohydrate of acridinium cations and a monodeprotonated pyridine-2,6-dicarboxylic acid. The structure contains a range of noncovalent interactions, such as O -H⋯O, O -H⋯N and N -H⋯O hydrogen bonds, as well as π-π stacking [range of centroidcentroid distances = 3.4783 (5)-3.8059 (5) Å]. The N -H⋯O hydrogen bond between the donor acridinium cation and the carboxylate acceptor is particularly strong. The average separation between the π-stacked acridinium planes is 3.42 (3) Å.

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