期刊
CRYSTENGCOMM
卷 11, 期 5, 页码 902-908出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b817653a
关键词
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资金
- National Natural Science Foundation of China [20671016]
- Program for Changjiang Scholars and Innovative Research Teams in Universities
Two new polyoxometalate-templated compounds, (bix)[Cu(bix)](3)[PW12O40]center dot 4H(2)O (1), and [Cu(bix)](3)[PMo12O40] (2) (bix = 1,4-bis(imidazol-1-ylmethyl)benzene), were hydrothermally synthesized, and characterized by elemental analyses, IR spectroscopy, thermogravimetric analyses, and single X-ray diffraction. In compound 1, the Keggin polyanions [PW12O40](3-) direct the [Cu(bix)] coordination polymeric chains to form a 3D supramolecular framework with grid-like 2D channels. By changing the polyanions into [PMo12O40](3-), compound 2 is obtained, in which the [Cu(bix)] coordination polymeric chains array around the polyanions to construct a 3D supramolecular framework with 1D hexagon-like channels. Their different structures show the template effect of the polyanions. Additionally, the cyclic voltammetry measurements indicate that the supramolecular compounds keep the redox properties of their parent polyanions.
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