Issue 2, 2003
From the journal:

New Journal of Chemistry

Molecular bricklaying: the protonated benzimidazole moiety as a synthon for crystal engineering

Craig J. Matthews,ad   Vanessa Broughton,a   Gérald Bernardinelli,b   Xavier Melich,a   Guy Brand,a   Anthony C. Willisc  and  Alan F. Williams*a  

* Corresponding authors

a Département de Chimie Minérale, Analytique et Appliquée, Université de Genève, 30, quai Ernest Ansermet, Genève 4, Switzerland
E-mail: Alan.Williams@chiam.unige.ch
Fax: + 41 22 702 6069
Tel: + 41 22 702 6425

b Laboratoire de Cristallographie aux Rayons-X, Université de Genève, 24, quai Ernest Ansermet, Genève 4, Switzerland

c Research School of Chemistry, Australian National University, Canberra, ACT, Australia

d Department of Chemistry and Physics, The Nottingham Trent University, Clifton Lane, Nottingham, United Kingdom

Abstract

The crystal structures of three salts of diprotonated 1,2-bis(1H-benzimidazol-2-yl)ethane, 1, with tetrahalogenometallates are reported. The crystal lattices are constructed from two types of interactions, the stacking of the protonated benzimidazole groups and N–H⋯Cl hydrogen bonding between the cations and the complex anions. Depending on the conformation of the cation, two- or three-dimensionally stacked structures are formed. A similar packing motif is found with the related cation formed by 1,3-bis(1H-benzimidazol-2-yl)propane, 2, and this suggests that the protonated benzimidazole group may be a useful synthon for crystal engineering.

Graphical abstract: Molecular bricklaying: the protonated benzimidazole moiety as a synthon for crystal engineering

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Article information

DOI
https://doi.org/10.1039/B207073A
Article type
Paper
Submitted
18 Jul 2002
Accepted
10 Oct 2002
First published
23 Dec 2002

New J. Chem., 2003,27, 354-358

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Molecular bricklaying: the protonated benzimidazole moiety as a synthon for crystal engineering

C. J. Matthews, V. Broughton, G. Bernardinelli, X. Melich, G. Brand, A. C. Willis and A. F. Williams, New J. Chem., 2003, 27, 354 DOI: 10.1039/B207073A

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