Issue 6, 2014

A series of coordination polymers constructed by the semi-rigid bifunctional ligand 5-((1H-1,2,4-triazol-1-yl)methoxy) isophthalic acid: syntheses, structures and the role of solvents

Abstract

Ten coordination polymers, namely, [Cu(HL)2] (1), [Cu(HL)2]·2DMA (2) [Co2(L2)(DMF)]·DMF (3), [Co(L)(H2O)2]·DMF (4), [Co5(L)4(OH)2(H2O)2]·4DMF (5), [Cd(L)(DMF)] (6), [Cd(L)(DMA)] (7), [Cd2(L)2(H2O)4]·3H2O (8), [Mn2(L)2(H2O)4]·3H2O (9) and [Mn(L)(DMF)2] (10), have been synthesized in mixed solvents under solvothermal conditions. Compound 1 reveals a one-dimensional (1D) chain, which is extended by hydrogen bonding interactions to generate a supramolecular layer. Compound 2 also shows a 1D chain, which is further linked by π–π and hydrogen bonding interactions to form a 3D supramolecular architecture. Compound 3 features a 3D (3,6)-connected net with (42·6)(44·62·88·10) topology. Compound 4 displays a 2D (3,4)-connected network with (4·62)(42·62·82) topology. These layers are linked by hydrogen bonds to form a 3D supramolecular framework. Compound 5 furnishes a 3D binodal (3,12)-connected net with (43)2(420·628·818) topology. Compound 6 possesses a 4-connected layer with (43·63) topology. Compound 7 reveals a 3D 4-connected framework with 4·65 topology. Compounds 8 and 9 are isostructural and exhibit similar 2D 63-hcb nets, which are further extended by hydrogen-bonding interactions into 3D supramolecular architectures. Compound 10 possesses a 2D 3-connected fes network. These complexes were characterized using X-ray single-crystal diffraction, elemental analysis, IR spectroscopy, PXRD and TGA. Moreover, the diffuse reflectivity spectra and the solid state photoluminescent properties of the ligand and compounds have also been studied at room temperature.

Graphical abstract: A series of coordination polymers constructed by the semi-rigid bifunctional ligand 5-((1H-1,2,4-triazol-1-yl)methoxy) isophthalic acid: syntheses, structures and the role of solvents

Supplementary files

Article information

Article type
Paper
Submitted
09 Oct 2013
Accepted
27 Nov 2013
First published
20 Dec 2013

CrystEngComm, 2014,16, 1136-1148

A series of coordination polymers constructed by the semi-rigid bifunctional ligand 5-((1H-1,2,4-triazol-1-yl)methoxy) isophthalic acid: syntheses, structures and the role of solvents

Y. Yang, J. Yang, P. Du, Y. Liu and J. Ma, CrystEngComm, 2014, 16, 1136 DOI: 10.1039/C3CE42048E

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