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Issue 3, 2016
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Alkyl group-directed assembly of coordination polymers based on bis-(4-imidazol-1-yl-phenyl)-amine and their photocatalytic properties

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Abstract

Hydrothermal reactions of Zn(NO3)2·6H2O or CdCl2·2.5H2O with bis-(4-imidazol-1-yl-phenyl)-amine (bimpa) and 5-methyl-1,3-benzenedicarboxylic acid (5-Me-1,3-H2BDC) or 5-tert-butyl-1,3-benzenedicarboxylic acid (5-tb-1,3-H2BDC) afforded four coordination polymers, [Zn2(5-Me-1,3-BDC)2(bimpa)2]n (1), {[Cd2(5-Me-1,3-BDC)2(bimpa)(H2O)4]·H2O}n (2), {[Zn(5-tb-1,3-BDC)(bimpa)]·2H2O}n (3) and {[Cd(5-tb-1,3-BDC)(bimpa)]·H2O}n (4). Complexes 1–4 were characterized by elemental analysis, IR, powder X-ray diffraction, and single-crystal X-ray diffraction. 1 exhibits a 4-fold interpenetrating 3D framework in which 1D curvilinear chains are interconnected by bimpa ligands. 2 can be considered as a 3D supramolecular architecture based on 2D entanglements which consist of 1D tubes in parallel interpenetration. 3 and 4, respectively, have 2D (65·8) layers (3) and 2D layers constructed by 1D tubes (4), which are further extended into two 3D supramolecular architectures through weak hydrogen-bonding and π⋯π interactions. The solid state luminescence and optical properties of 1–4 at ambient temperature were also investigated. A comparative study on their photocatalytic activity toward the degradation of methylene blue in polluted water was explored.

Graphical abstract: Alkyl group-directed assembly of coordination polymers based on bis-(4-imidazol-1-yl-phenyl)-amine and their photocatalytic properties

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Supplementary files

Article information


Submitted
08 Oct 2015
Accepted
12 Jan 2016
First published
12 Jan 2016

New J. Chem., 2016,40, 2479-2488
Article type
Paper
Author version available

Alkyl group-directed assembly of coordination polymers based on bis-(4-imidazol-1-yl-phenyl)-amine and their photocatalytic properties

H. Cheng, Y. Shen, Y. Lu, J. Ma, H. Ji, W. Yin, X. Tang, Y. Ma and R. Yuan, New J. Chem., 2016, 40, 2479
DOI: 10.1039/C5NJ02760H

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