Issue 2, 2008
From the journal:

CrystEngComm

Coordination polymers constructed by linking metal ions with azodibenzoate anions†‡

Zhen-Feng Chen,*a   Zhi-Li Zhang,a   Yu-Hui Tan,a   Yun-Zhi Tang,a   Hoong-Kun Fun,*b   Zhong-Yuan Zhou,c   Brendan F. Abrahams*d  and  Hong Liang*a  

* Corresponding authors

a The Key Laboratory of Medicinal Chemical Resources and Molecular Engineering (Ministry of Education), School of Chemistry and Chemical Engineering, Guangxi Normal University, Guilin, P. R. China
E-mail: chenzfubc@yahoo.com

b X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Penang, Malaysia
E-mail: hkfun@usm.my

c Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kownloon, Hong Kong, P. R. China

d School of Chemistry, University of Melbourne, Victoria, Australia
E-mail: bfa@unimelb.edu.au

Abstract

Twelve new coordination polymers have been obtained using three different azodibenzoate ligands, 3,3′-azodibenzoic acid (3,3′-ADB), 3,3′-azoxydibenzoic acid (3,3′-AODB) and 4,4′-azodibenzoic acid (4,4′-ADB) in combination with a variety of metal ions and co-ligands. Their crystal structures have been elucidated using single crystal X-ray diffraction analysis and the thermal stabilities of some of the products have been investigated using thermogravimetric analysis. The compounds, [Pb(3,3′-ADB)(phen) ]n (1), [Cu2(3,3′-AODB)(PPh3)2]n (2), [Zn(4,4′-ADB)(Py)2]n (3), [Cd(4,4′-ADB)(H2O)2]n (4), and [Co(4,4′-ADB)(Py)2(H2O)2]n (5), form 1-D chains. Compounds Zn(3,3′-ADB)(CH3CH2OH) (6) and Co3(3,3′-ADB)2(phen)2(CH3COO)2 (7) form 2D sheets which have the (4,4) topology. Two-dimensional sheets are also formed in the case of Cd(4,4′-ADB)(phen)(H2O) (8), Y2(3,3′-ADB)3(phen)2 (9), Sm2(3,3′-ADB)3(phen)2 (10) and Er2(3,3′-ADB)3(phen)2 (11) with 9, 10 and 11 being isomorphous. In the structure of Ba(4,4′-ADB) (12), Ba(II) carboxylate units form 2D sheets which are linked by organic links to form a 3D pillared structure.

Graphical abstract: Coordination polymers constructed by linking metal ions with azodibenzoate anions

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Article information

DOI
https://doi.org/10.1039/B709587B
Article type
Paper
Submitted
25 Jun 2007
Accepted
02 Oct 2007
First published
16 Oct 2007

CrystEngComm, 2008,10, 217-231

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Coordination polymers constructed by linking metal ions with azodibenzoate anions

Z. Chen, Z. Zhang, Y. Tan, Y. Tang, H. Fun, Z. Zhou, B. F. Abrahams and H. Liang, CrystEngComm, 2008, 10, 217 DOI: 10.1039/B709587B

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