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Hydrothermal synthesis of five new coordination polymers based on benzophenone-2, 4'-dicarboxylic acid and N-donor spacers

文献类型： 外文期刊

作者： Xu, Jiakun 1 ; Sun, Xiaochun 3 ; Fan, Yuhua 1 ; Bi, Caifeng 1 ; Sun, Mi 2 ;

作者机构： 1.Ocean Univ China, Minist Educ, Key Lab Marine Chem Theory & Technol, Qingdao 266100, Peoples R China

2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China

3.Natl Oceanog Ctr, Qingdao 266071, Peoples R China

关键词： Coordination polymer;Crystal structure;Dicarboxylic acid;Nickel;Zinc

期刊名称：ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE （ 影响因子：1.492； 五年影响因子：1.226 ）

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收录情况： SCI

摘要： Five new coordination polymers, namely, [Ni _2(L) _2(4, 4'-bipy) _3)]·H _2O] _n (1), [Ni _2(L) _2(O) (bpp) _2] _n (2), [Zn(L)(bib) _(0.5)] _n (3), [Zn(L)(PyBIm)] _n (4), and [Zn _3(L) _2(OH)(im)] _n (5) [H _2L = benzophenone-2, 4'-dicarboxylic acid, 4, 4'-bipy = 4, 4'-bipyridine, bpp = 1, 3-bis(4-pyridyl)propane, PyBIm = 2-(4-pyridyl)benzimidazole, and im = imidazole] were synthesized under hydrothermal conditions. Structure determination revealed that compound 1 is a 3D network and exhibits a 4-connected metal-organic framework with (4 ~2.6 ~3.8) topology, whereas compounds 2, 3, 4, and 5 are two-dimensional layer structures. In compounds 2-4, dinuclear metal clusters are formed through carboxylic groups. In compound 5, trinuclear metal clusters are formed through μ ~3-OH and carboxylic groups. The carboxylic groups exhibit three coordination modes in compounds 1-5: monodentately, bidentate-chelating, and bis-monodentately. Furthermore, the luminescent properties for compounds 3, 4, and 5 were investigated.

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[1]Synthesis, Crystal Structures and Luminescent Properties of pH-Dependent Zn (II) Coordination Polymers. Xu, Jiakun,Sun, Mi,Xu, Jiakun,Fan, Yuhua,Bi, Caifeng,Sun, Xiaochun. 2012

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