3-aminocarbonylpyridinium difluoroacetate at 123 k

J. Bardin, A.J. Florence, J.B. Arlin, A.R. Kennedy, L.V. Wong

Research output: Contribution to journalArticlepeer-review


In the crystal of the title compound, C6H7N2O+·C2HF2O2-, the cation adopts a catemeric N-HO hydrogen-bonded chain motif involving the carboxamide group, with two further N-HO hydrogen bonds connecting the cations to adjacent difluoroacetate anions via the carboxamide and pyridinium N atoms. The carboxamide group of the nicotinamidium ion is twisted by 32.3 (6)° from the pyridine ring plane. A number of C-HO and C-HF interactions consolidate the packing.
Original languageEnglish
Pages (from-to)O2896-U2160
JournalActa Crystallographica Section E: Structure Reports
Publication statusPublished - Nov 2009


  • compound
  • C6H7N2O+·C2HF2O2-
  • carboxamide


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