Brucinium toluene-4-sulfonate trihydrate at 130 K

Graham Smith, Urs D. Wermuth, Peter C. Healy, David J. Young, Jonathan M. White

Research output: Contribution to journalArticlepeer-review


The low-temperature (130 K) structure of the 1:1 proton-transfer compound of brucine with toluene-4-sulfonic acid (systematic name: 2,3-dimethoxy-10- oxostrychnidinium toluene-4-sulfonate trihydrate), C23H 27N2O4+·C7H 7O3S-3H2O, has been determined. The asymmetric unit contains two cations, two anions and six molecules of water. Brucinium cations form the familiar undulating head-to-tail ribbon structures, which associate with the toluene-4-sulfonate anions and the water molecules in the interstitial cavities through hydrogen-bonding associations involving all available donor and acceptor atoms on all species. The result is a framework polymer structure.

Original languageEnglish
Pages (from-to)o2646-o2648
Number of pages3
JournalActa Crystallographica Section E: Structure Reports Online
Issue numberPart 8
Publication statusPublished - 1 Aug 2005
Externally publishedYes


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