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Brucinium toluene-4-sulfonate trihydrate at 130 K
Journal article   Open access   Peer reviewed

Brucinium toluene-4-sulfonate trihydrate at 130 K

G Smith, U D Wermuth, P C Healy, David James Young and J M White
Acta Crystallographica Section E: Structure Reports Online, Vol.61(Part 8), pp.o2646-o2648
2005
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https://doi.org/10.1107/S1600536805022695View
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Abstract

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. © 2005 International Union of Crystallography Printed in Great Britain - all rights reserved..

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