Issue 47, 2012
From the journal:

Dalton Transactions

Temperature-dependent assemblies from a 2-D triple-stranded meso-helical layer to a 3-D chain-layer metal–organic framework†

Hong-Guang Jin,a   Xu-Jia Hong,ab   Jing Li,a   Yuan-Zhao Yan,a   Yi-Ting Liu,a   Shi-Hai Xuc  and  Yue-Peng Cai*ab  

* Corresponding authors

a Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P. R. China
E-mail: caiyp@scnu.edu.cn
Fax: +86-020-39310
Tel: +86-020-39310383

b State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, P. R. China

c Department of Chemistry, Jinan University, Guangzhou 510632, P. R. China
E-mail: txush@jnu.edu.cn

Abstract

Two different crystal forms, namely {[Dy2(mpda)3(H2O)2]·H2O}n (1) and [Dy2(mpda)3(H2O)4]n (2), were obtained from the reaction of multidentate 2,6-dimethylpyridine-3,5-dicarboxylic acid (H2mpda) with Dy2O3 at different temperatures. Structural analysis reveals that compound 1 is a 2-D triple-stranded meso-helical layer, and 2 a 3-D chain-layer framework. The fluorescent measure shows that compound 1 is a promising luminescent probe for various metals with a remarkable “on–off” switch of emission, mainly deriving from many pairs of inversely arranged 4-aza bowl-like crown ethers distributed in the 2-D helical plane. Moreover, compound 1 presents noticeable hydrogen-sorption at medium pressure.

Graphical abstract: Temperature-dependent assemblies from a 2-D triple-stranded meso-helical layer to a 3-D chain-layer metal–organic framework

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Article information

DOI
https://doi.org/10.1039/C2DT32234J
Article type
Communication
Submitted
24 Sep 2012
Accepted
14 Oct 2012
First published
17 Oct 2012

Dalton Trans., 2012,41, 14239-14243

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Temperature-dependent assemblies from a 2-D triple-stranded meso-helical layer to a 3-D chain-layer metal–organic framework

H. Jin, X. Hong, J. Li, Y. Yan, Y. Liu, S. Xu and Y. Cai, Dalton Trans., 2012, 41, 14239 DOI: 10.1039/C2DT32234J

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