Issue 35, 2013
From the journal:

CrystEngComm

A three-dimensional structure built of paddle-wheel and triazolate-dinuclear metal clusters: synthesis, deformation and reformation of paddle-wheel unit in the single-crystal-to-single-crystal transformation†

Feilong Yang,a   Qingshu Zheng,a   Zhenxia Chen,a   Yun Ling,*a   Xiaofeng Liu,a   Linhong Wenga  and  Yaming Zhou*a  

* Corresponding authors

a Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai, China
E-mail: yunling@fudan.edu.cn, ymzhou@fudan.edu.cn
Fax: +86 21 65643925
Tel: +86 21 65642261

Abstract

Solvothermal reaction of [1,1′-biphenyl]-3,3′,5,5′-tetracarboxylic acid (H4bptc), 3,5-diamine-1H-1,2,4-triazole (Hdatrz) and zinc acetate affords a three-dimensional structure of [Zn2(bptc)(datrz)](CH3)2NH2·2H2O (MAC-6). It is a (3,6)-connected framework built of paddle-wheel and triazolate-dinuclear metal clusters together with bptc ligands, and shows a novel (42.6)2(44.66.85) topology. Heating crystal samples of MAC-6 leads to the structure transformation to [Zn2(bptc)(datrz)(H2O)0.5](CH3)2NH2·H2O (MAC-6′), in which the paddle-wheel unit deforms to a dinuclear unit. Remarkably, MAC-6′ can reversibly recover to MAC-6 when the samples of MAC-6′ were immersed into DMF. The deformation and reformation of the paddle-wheel unit were studied by single-crystal-to-single-crystal (SCSC) transformation. In addition, their photoluminescent properties were also studied.

Graphical abstract: A three-dimensional structure built of paddle-wheel and triazolate-dinuclear metal clusters: synthesis, deformation and reformation of paddle-wheel unit in the single-crystal-to-single-crystal transformation

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Article information

DOI
https://doi.org/10.1039/C3CE40855H
Article type
Paper
Submitted
15 May 2013
Accepted
02 Jul 2013
First published
04 Jul 2013

CrystEngComm, 2013,15, 7031-7037

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A three-dimensional structure built of paddle-wheel and triazolate-dinuclear metal clusters: synthesis, deformation and reformation of paddle-wheel unit in the single-crystal-to-single-crystal transformation

F. Yang, Q. Zheng, Z. Chen, Y. Ling, X. Liu, L. Weng and Y. Zhou, CrystEngComm, 2013, 15, 7031 DOI: 10.1039/C3CE40855H

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