Issue 28, 2013
From the journal:

CrystEngComm

Syntheses, structures, and photoluminescent properties of a series of coordination polymers based on a new 2′-carboxybiphenyl-4-ylmethylaminodiacetic acid and different N-donor ligands†

Rong-Min Han,a   Jian-Fang Ma,*a   Ying-Ying Liua  and  Jin Yang*a  

* Corresponding authors

a Key Lab of Polyoxometalate Science, Department of Chemistry, Northeast Normal University, Changchun 130024, People's Republic of China
E-mail: majf247@yahoo.com, yangjinnenu@yahoo.com.cn
Fax: +86-431-85098620

Abstract

Ten new coordination polymers have been synthesized under hydrothermal conditions, namely, [Co3(L)2(H2O)3]·2H2O (1), [Zn3(L)2(H2O)3]·2H2O (2), [Co3(L)2(4,4′-bipy)2(H2O)4] (3), [Ni3(L)2(pbib)3(H2O)2]·4H2O (4), [Co3(L)2(bbtz)2(H2O)6]·2H2O (5), [Ni3(L)2(bbtz)2(H2O)6]·2H2O (6) [Zn3(L)2(bbtz)2(H2O)6]·2H2O (7), [Co3(L)2(pbib)2(H2O)4]·4H2O (8), [Co3(L)2(biim-4)2(H2O)4]·4H2O (9), and [Ni(L)(H2O)2]·H2O (10), where H3L = 2′-carboxybiphenyl-4-ylmethylaminodiacetic, 4,4′-bipy = 4,4′-bipyridine, pbib = 1,4-bis(imidazole-1-ylmethyl)-benzene, bbtz = 1,4-bis(1,2,4-triazol-1-ylmethyl)benzene, and biim-4 = 1,1′-(1,4-butanediyl)bis(imidazole). Their structures were characterized by infrared spectra (IR), powder X-ray diffraction (PXRD), and elemental analyses. Compounds 1 and 2 are isomorphous, and show the same 3D (3,4)-connected net with the (4·102)(4·85) topology. Compound 3 displays a typical 3D (3,4)-connected net with the (4·10·12)2(10·11·124) topology. Compound 4 reveals a 3D (3,6)-connected net with the (4·62)2(64·88·103) topology. Compounds 5–7 are isomorphous, and feature crystallographically distinct chains. Neighboring chains are stacked by π–π interactions to form 2D supramolecular layers, which are further extended by hydrogen-bonding interactions to form a 3D supramolecular architecture. Compounds 8 and 9 are essentially isomorphous with 5, and exhibit crystallographically distinct 1D chain structures. Adjacent chains are further extended into a 3D supramolecular architecture by hydrogen-bonding interactions. Compound 10 shows 1D chains, which are further linked by intermolecular hydrogen bonding interactions to generate a 2D supramolecular layer. The effects of the N-donor ligands and the coordination modes of L anion on the structures of the coordination polymers have been discussed in detail. In addition, the luminescent properties of compounds 2 and 7 have also been studied.

Graphical abstract: Syntheses, structures, and photoluminescent properties of a series of coordination polymers based on a new 2′-carboxybiphenyl-4-ylmethylaminodiacetic acid and different N-donor ligands

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Article information

DOI
https://doi.org/10.1039/C3CE40528A
Article type
Paper
Submitted
26 Mar 2013
Accepted
09 May 2013
First published
07 Jun 2013

CrystEngComm, 2013,15, 5641-5653

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Syntheses, structures, and photoluminescent properties of a series of coordination polymers based on a new 2′-carboxybiphenyl-4-ylmethylaminodiacetic acid and different N-donor ligands

R. Han, J. Ma, Y. Liu and J. Yang, CrystEngComm, 2013, 15, 5641 DOI: 10.1039/C3CE40528A

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