Form II of adipic acid-nicotinohydrazide (1/2)

Andreas Lemmerer, Joel Bernstein, Volker Kahlenberg

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The crystal structure of the title co-crystal, 2C 6H 7N 3O-C 6H 10O 4, is a second polymorph, designated form II, of the cocrystal formed between the two molecules [Lemmerer et al. (2011). CrystEngComm, 13, 55-59]. The asymmetric unit comprises one molecule of nicotinic acid hydrazide, and one half-molecule of adipic acid (the entire molecule is completed by the application of a centre of inversion). In the crystal, molecules assemble into a three-dimensional network of hydrogen bonds, formed by three N-Hσσσ O hydrogen bonds and one O-Hσσσ N hydrogen bond. The O-Hσσσ N hydrogen bond formed between the carboxyl group and the pyridine ring is supported by a C-Hσσσ O hydrogen bond.

Original languageEnglish
Pages (from-to)o190
JournalActa Crystallographica Section E: Structure Reports Online
Issue number1
StatePublished - 1 Jan 2012
Externally publishedYes


  • Data-to-parameter ratio = 12.1
  • Mean σ(C-C) = 0.002 Å
  • R factor = 0.029
  • Single-crystal X-ray study
  • T = 173 K
  • wR factor = 0.077

ASJC Scopus subject areas

  • Chemistry (all)
  • Materials Science (all)
  • Condensed Matter Physics


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