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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Synthesis and characterization of two novel organic-inorganic hybrid solids from Keggin ions and metal coordination complexes
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Synthesis and characterization of two novel organic-inorganic hybrid solids from Keggin ions and metal coordination complexes

机译:由Keggin离子和金属配位配合物合成和表征两种新型的有机-无机杂化固体

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摘要

Two new hybrid compounds, [Co(4,4′-bpy)_2(H _2O)_4][(4,4′-bpyH_2]_2[CoW _(12)O_(40)]·8H_2O (1) and [Fe(2,2′-bpy) _3]_3[H_2W_(12)O_(40)] ·6H_2O (2), (4,4′-bpy = 4,4′-bipyridine, 2,2′-bpy = 2,2′-bipyridine) have been hydrothermally synthesized. These solids were characterized by elemental analysis, thermogravimetric analysis, UV-Vis spectroscopy and X-ray diffraction. The hydrogen-bonding interactions in 1 lead to the formation of a three dimensional network consisting of [CoW_(12)O_(40)]~(6-) anionic clusters, [Co(4,4′-bpy)_2(H_2O)_4]~(2+) cations and lattice water molecules, while the discrete Keggin ion [H _2W_(12)O_(40)]~(6-) in compound 2 is surrounded by 14 [Fe(2,2′-bpy)_3]~(2+) complexes through CH?O interactions (2.24-2.56).
机译:两种新的杂化化合物,[Co(4,4'-bpy)_2(H _2O)_4] [(4,4'-bpyH_2] _2 [CoW _(12)O_(40)]·8H_2O(1)和[ Fe(2,2'-bpy)_3] _3 [H_2W_(12)O_(40)]·6H_2O(2),(4,4'-bpy = 4,4'-联吡啶,2,2'-bpy =水热合成了2,2'-联吡啶,并通过元素分析,热重分析,紫外-可见光谱和X射线衍射对这些固体进行了表征,氢在1中的键合作用导致形成三维网络。 CoW_(12)O_(40)]〜(6-)阴离子簇,[Co(4,4'-bpy)_2(H_2O)_4]〜(2+)阳离子和晶格水分子的分布,而离散的Keggin化合物2中的[H _2W_(12)O_(40)]〜(6-)离子通过CH2O相互作用被14 [Fe(2,2'-bpy)_3]〜(2+)配合物包围(2.24- 2.56)。

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