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Issue 7, 2018
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Three new compounds based on similar molybdenum–vanadium clusters and several types of copper complexes

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Abstract

Three new compounds based on polyoxometalates and transition metal complexes have been prepared and characterized by IR and UV-vis spectroscopy, powder XRD, photoluminescence analysis, elemental analysis and X-ray diffraction analysis. Single crystal X-ray analysis reveals that both {[PMo10V4O42][Cu(phen)]2}[Cu(im)2][Cu(phen)(im)]2 (1) (im = imidazole, phen = 1,10-phenanthroline) and {[PMo9V5O42][Cu2(2,2′-bpy)2(C2O4)]}[Cu(2,2′-bpy)2(H2O)][Cu(2,2′-bpy)2(Cl)]·3H2O (2) (bpy = bipyridine) contain three types of copper complexes, any one of which is different from the others. {[PMo8V6O42][Cu(DABCO)]2[Cu(phen)2]}·3H2O (3) (DABCO = triethylenediamine) exhibits a novel 2-D layered framework structure constructed from [PMo8V6O42]4− and two different types of copper complexes, and also compound 3 is the first extended POM compound based on {M(phen)2} bridges. In addition, the catalytic properties of compounds 1–3 have been investigated and all of them are excellent catalysts for the epoxidation of styrene.

Graphical abstract: Three new compounds based on similar molybdenum–vanadium clusters and several types of copper complexes

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Publication details

The article was received on 03 Nov 2017, accepted on 06 Jan 2018 and first published on 08 Jan 2018


Article type: Paper
DOI: 10.1039/C7CE01908D
Citation: CrystEngComm, 2018,20, 969-977
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    Three new compounds based on similar molybdenum–vanadium clusters and several types of copper complexes

    L. Xiao, C. Zhao, X. Shi, H. Zhang, W. Wu and X. Cui, CrystEngComm, 2018, 20, 969
    DOI: 10.1039/C7CE01908D

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