2,2′-(Piperazine-1,4-di-yl)diethanaminium dibenzoate

Ignacy Cukrowski, Adedapo S. Adeyinka, David C. Liles

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The asymmetric unit of the title salt C8H22N4 2+·2C7H5O2 -, comprises two independent pairs of half a 2,2′-(piperazine- 1,4-di-yl)diethanaminium dication plus a benzoate anion. The dications are symmetrical and lie across crystallographic centres of inversion. The crystal structure was refined as a two-component pseudo-merohedral twin using the twin law 001 0-10 100 [he domain fractions are 0.8645 (8) and 0.1355 (8)]. The anions and cations are linked by N-H⋯O hydrogen bonds and weak N-H⋯O inter-molecular inter-actions to form infinite two-dimensional networks parallel to [101]. The conformation adopted by the cation in the crystal structure is very similar to that adopted by the same cation in the structures of the 2-hy-droxy-benzoate [Cukrowski et al. (2012). Acta Cryst, E68, o2387], the nitrate and the tetra-hydrogen penta-borate salts.

Original languageEnglish
Pages (from-to)o2389
JournalActa Crystallographica Section E: Structure Reports Online
Issue number8
Publication statusPublished - Aug 2012
Externally publishedYes


  • data-to-parameter ratio = 17.9
  • mean σ(C-C) = 0.002 Å
  • R factor = 0.040
  • single-crystal X-ray study
  • T = 180 K
  • wR factor = 0.110

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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