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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Diverse structures of metal-organic frameworks based on different metal ions: luminescence and gas adsorption properties
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Diverse structures of metal-organic frameworks based on different metal ions: luminescence and gas adsorption properties

机译:基于不同金属离子的金属有机骨架的不同结构:发光和气体吸附性能

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摘要

Four coordination polymers with different metal ions have been synthesized based on a rigid linear pyridine and a flexible V-shaped dicarboxylate ligand (L = 4,4'-(2,5-dimethoxy-1,4-phenylene)dipyridine; H(2)OBA = 4,4'-oxydibenzoic acid): {[Co(L)(OBA)]center dot 2H(2)O}(n) (1), [Zn(L)(OBA)center dot 2H(2)O](n) (2), {[Ni(L)(OBA)]center dot DMF center dot H2O}(n) (3), [Cd(L)(OBA)]center dot DMF center dot H2O}(n) (4). The reaction conditions are similar except for the metal ions for complexes 1-4. Complexes 1 and 2 present a 3D unprecedented hxg-d-4-Cccm net, but 3 and 4 are 4-connected sql nets with a point symbol {4(4).6(2)}. These complexes were characterized by single crystal X-ray diffraction, infrared spectroscopy, thermogravimetry, elemental analysis, and powder X-ray diffraction measurements. The UV-visible spectra, fluorescence, and gas adsorption properties of the compounds were also explored.
机译:基于刚性线性吡啶和柔性V形二羧酸酯配体(L = 4,4'-(2,5-二甲氧基-1,4-亚苯基)二吡啶; H(2 )OBA = 4,4'-氧基二苯甲酸):{[Co(L)(OBA)]中心点2H(2)O}(n)(1),[Zn(L)(OBA)中心点2H(2) )O](n)(2),{[Ni(L)(OBA)]中心点DMF中心点H2O}(n)(3),[Cd(L)(OBA)]中心点DMF中心点H2O} (n)(4)。除了配合物1-4的金属离子外,反应条件相似。配合物1和2提供了3D空前的hxg-d-4-Cccm网络,但是配合物3和4是带有点符号{4(4).6(2)}的4连接的sql网络。这些配合物的特征在于单晶X射线衍射,红外光谱,热重分析,元素分析和粉末X射线衍射测量。还研究了化合物的紫外可见光谱,荧光和气体吸附性能。

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