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Issue 4, 2009
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Unusual three-dimensional coordination networks with [WS4Cu6] cluster nodes and α-C3N4 topology

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Abstract

Two new 3D frameworks [(WS4Cu6Br4)(timp)8/3(H2O)40/3]n (1) and [(WS4Cu6Br4) (timtz)8/3(H2O)40/3]n (2), containing heptanuclear cluster blocks (one W atom and six Cu atoms) bridged by trigonal ligands timp or timtz (timp = 1-(3,5-di (1H-imidazol-1-yl)phenyl)-1H-imidazole; timtz = 2,4,6-tri(1H-imidazol-1-yl)-1,3,5-triazine), were successfully synthesized. Both compounds were characterized by single-crystal X-ray diffraction, elemental analysis, XRD, IR, TGA. X-ray determination shows that 1 and 2 can be topologically represented as (3,4)-connected networks with α-C3N4 (or ctn) topology where [WS4Cu6] act as the 4-connecting nodes, and the timp or timtz ligands bridge in pairs that act as the three-connecting nodes. Both compounds have the high symmetry of space group I-43d, which is the maximum symmetry for this net topology. The luminescent spectra and N2 absorption behaviors for 1 and 2 have also been investigated.

Graphical abstract: Unusual three-dimensional coordination networks with [WS4Cu6] cluster nodes and α-C3N4 topology

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Publication details

The article was received on 17 Oct 2008, accepted on 12 Nov 2008 and first published on 05 Dec 2008


Article type: Paper
DOI: 10.1039/B818381C
CrystEngComm, 2009,11, 605-609

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    Unusual three-dimensional coordination networks with [WS4Cu6] cluster nodes and α-C3N4 topology

    Z. Pan, X. Yao, H. Zheng, Y. Li, Z. Guo and S. R. Batten, CrystEngComm, 2009, 11, 605
    DOI: 10.1039/B818381C

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