Issue 4, 2007
From the journal:

CrystEngComm

Towards rational design of supramolecular helices using linear pseudohalides in Cd(ii) - 2,2′-biimidazole system†

Atish Dipankar Jana,a   Ananta Kumar Ghosh,b   Debajyoti Ghoshal,c   Golam Mostafa*a  and  Nirmalendu Ray Chaudhuri*b  

* Corresponding authors

a Department of Physics, Jadavpur University, Kolkata-700 032, India
E-mail: mostafa@phys.jdvu.ac.in

b Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata-700 032, India
E-mail: icnrc@iacs.res.in
Fax: 91-33-2473 2805

c Department of Chemistry, Jadavpur University, Kolkata-700 032, India

Abstract

Three cadmium complexes, [Cd(H2biim)2(SCN)2] (1), [Cd(H2biim)2(SeCN)2] (2) and [Cd(H2biim)2(dca)2] (3) [H2biim = 2,2′-biimidazole; dca = dicyanamide] have been synthesized and characterized by X-ray single crystal structure analysis. In complexes 1 and 2 monomeric units assemble into supramolecular helix whereas in 3 monomeric units assemble into supramolecular 2-D grid with (4,4) net topology. The appearance of helical topology in complexes 1 and 2 is due to the linear nature of SCN−/SeCN− whereas (4,4) net topology in complex 3 is due to the bent nature of dca−. In each case R12(7) hydrogen bonding synthon is attained facilitating the helical and (4,4) net topology.

Graphical abstract: Towards rational design of supramolecular helices using linear pseudohalides in Cd(ii) - 2,2′-biimidazole system

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Article information

DOI
https://doi.org/10.1039/B614979K
Article type
Paper
Submitted
16 Oct 2006
Accepted
05 Feb 2007
First published
22 Feb 2007

CrystEngComm, 2007,9, 304-312

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Towards rational design of supramolecular helices using linear pseudohalides in Cd(II) - 2,2′-biimidazole system

A. D. Jana, A. K. Ghosh, D. Ghoshal, G. Mostafa and N. R. Chaudhuri, CrystEngComm, 2007, 9, 304 DOI: 10.1039/B614979K

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