کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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1332439 | 979042 | 2010 | 5 صفحه PDF | دانلود رایگان |
A novel inorganic–organic hybrid compound based on mixed-valence Wells–Dawson arsenotungstate and mixed-ligand Cu(I) units, Cu8I(imi)4(bpy)6(H2O)[As2VW2VW16VlO62]·2H2O (1) (bpy=4,4′-bipydine; imi=imidazole), has been hydrothermally synthesized and characterized by elemental analysis, IR spectroscopy, thermal gravimetric analysis, luminescent spectrum and single crystal X-ray diffraction. Single-crystal X-ray diffraction revealed that four terminal and three bridging oxygen atoms of the Wells–Dawson cluster are coordinated to Cu(I) ions and form an unprecedented hepta-supporting polyoxometalate. The functionalized arsenotungstates are further connected by two kinds of tridentate linkers, Imi–Cu–(bpy)–Cu–(bpy)–Cu–(bpy)–Cu–Imi and Imi–Cu–(bpy)–Cu–(bpy)–Cu–H2O, to construct a 3D framework with 46·64 topology. The hybrid material has an intense emission at about 397 nm.
A novel organic–inorganic hybrid compound based on mixed-valence Wells–Dawson arsenotungstate and mixed-ligand Cu(I) units has been successfully synthesized. The functionalized arsenotungstate exhibits a five-connected 46·64 topology network..Figure optionsDownload as PowerPoint slide
Journal: Journal of Solid State Chemistry - Volume 183, Issue 9, September 2010, Pages 2027–2031