Issue 6, 2011

Substituent effect of R-isophthalates (R = –H, –CH3, –OCH3, –tBu, –OH, and –NO2) on the construction of CdII coordination polymers incorporating a dipyridyl tecton 2,5-bis(3-pyridyl)-1,3,4-oxadiazole

Abstract

A series of CdII coordination polymers have been designed and hydrothermally synthesized by using a bent dipyridyl tecton 2,5-bis(3-pyridyl)-1,3,4-oxadiazole (3-bpo) and R-isophthalic acids (H2ip-R; R = –H, –CH3, –OCH3, –tBu, –OH, and –NO2), which exhibit diverse 1D and 2D polymeric coordination networks. The results demonstrate that the substituent effect of R-isophthalates does play a decisive role in directing the structural assemblies of this system, in which secondary interactions such as H-bonding and π⋯π stacking are generally observed to extend the coordination motifs. Notably, the 3-bpo building block shows adaptable conformations (cisoid-I, cisoid-II, and transoid) to facilitate the structural diversity of these complexes. Solid state properties such as thermal stability and fluorescence for these crystalline materials will also be presented.

Graphical abstract: Substituent effect of R-isophthalates (R = –H, –CH3, –OCH3, –tBu, –OH, and –NO2) on the construction of CdII coordination polymers incorporating a dipyridyl tecton 2,5-bis(3-pyridyl)-1,3,4-oxadiazole

Supplementary files

Article information

Article type
Paper
Submitted
20 Aug 2010
Accepted
26 Oct 2010
First published
14 Dec 2010

CrystEngComm, 2011,13, 1885-1893

Substituent effect of R-isophthalates (R = –H, –CH3, –OCH3, –tBu, –OH, and –NO2) on the construction of CdII coordination polymers incorporating a dipyridyl tecton 2,5-bis(3-pyridyl)-1,3,4-oxadiazole

J. Chen, C. Li and M. Du, CrystEngComm, 2011, 13, 1885 DOI: 10.1039/C0CE00555J

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