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Issue 29, 2013
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Three new inorganic–organic hybrid compounds constructed from two kinds of octamolybdate clusters and flexible multidentate N-donor ligand: syntheses, structures, electrochemistry, luminescence, and photocatalytic properties

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Abstract

Three inorganic–organic hybrid materials based on octamolybdates, d10 metals, and multidentate N-donor ligands, namely, [Zn4(htpmb)2(θ-Mo8O26)(H2O)6.5]·0.5H2O (1), [Zn6(htpmb)2(γ-Mo8O26)2(SO4)(H2O)6]·6.5H2O (2), and [Cd2(htpmb)(γ-Mo8O26)(H2O)2]·4.5H2O (3), where htpmb = hexakis(3-(1,2,4-triazol-4-yl)phenoxy-methyl)benzene, have been synthesized under hydrothermal conditions. Compound 1 shows a 3D framework based on a rare [θ-Mo8O26]4− isomer with binodal (5,6)-connected (32·43·5·63·7)(32·44·54·62·73) topology. Compound 2 displays a 3D framework with pentanodal (4,5,6,6,7)-connected (32·4·5·62)(32·42·52·63·8)(34·42·52·64·72·8)(34·42·52·66·9)(34·43·5·68·75) topology. Compound 3 exhibits a 3D framework with pentanodal (3,4,4,6,6)-connected (3·6·7)(32·4·62·7)(34·42)(32·66·76·10)(33·4·63·74·84) topology. Their structures have been characterized by infrared spectra (IR), elemental analyses, powder X-ray diffraction (PXRD), thermogravimetric analysis, and optical band gaps. The luminescent properties and electrochemistry behaviors of compounds 1–3 have been studied. Moreover, the photocatalytic activities for methylene blue (MB) degradation of 1–3 under UV light irradiation have also been investigated in detail.

Graphical abstract: Three new inorganic–organic hybrid compounds constructed from two kinds of octamolybdate clusters and flexible multidentate N-donor ligand: syntheses, structures, electrochemistry, luminescence, and photocatalytic properties

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Publication details

The article was received on 12 Apr 2013, accepted on 15 May 2013 and first published on 17 Jun 2013


Article type: Paper
DOI: 10.1039/C3CE40626A
Citation: CrystEngComm, 2013,15, 5844-5852
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    Three new inorganic–organic hybrid compounds constructed from two kinds of octamolybdate clusters and flexible multidentate N-donor ligand: syntheses, structures, electrochemistry, luminescence, and photocatalytic properties

    W. Wang, J. Yang, W. Kan and J. Ma, CrystEngComm, 2013, 15, 5844
    DOI: 10.1039/C3CE40626A

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