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首页> 外文期刊>Bulletin of the Chemical Society of Japan >Assemblies Possessing Rich Hydrogen Bonds Derived from trans-Oxamidato-Bridged Dicopper(II) Complexes and Carboxyl Auxiliary Ligands
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Assemblies Possessing Rich Hydrogen Bonds Derived from trans-Oxamidato-Bridged Dicopper(II) Complexes and Carboxyl Auxiliary Ligands

机译：拥有富含反式-氧代酰胺桥连双铜（II）配合物和羧基辅助配体的氢键的组件

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摘要

Three complexes [{Cu_2(trans-oxap)(nic)(H_2O)_2}_n](ClO_4)_n·0.5nH_2O 1,[Cu_2(trans-oxen)(nic)_2(H_2O)_2]·2h_2o 2,[Cu_2(trans-oxen)(hyba)_2(H_2O)_2] 3 have been obtained from reactions of the trans-oxamidato-bridged dicopper(II) unit [Cu_2(trans-L)]~(2+) (L=oxen or oxap,H_2oxen=N,N'-bis(2-aminoethyl)oxamide,H_2oxap=N,N'-bis(2-aminopropy)oxamide) with the auxiliry ligands hydroxybenzoic acid (Hhyba) and nicotinic acid (Hnic).Their structures were determined by X-ray crystallography.Results showed that polymeric chains are formed in 1,since the auxiliary ligand nic behaves as the spacer connecting the dicopper units.However,2 and 3 contain only discrete dinuclear units,since nic in 2 and hyba in 3 are terminal ligands.Chains in 1 and dinuclear units in 2 and 3 further fabricate extended structures through hydrogen bonds.The structural diversity of these complexes results from the different affinity of the coordination donors to the copper(III).The magnetic property is exemplified by 3;thermal behaviors of all complexes have been investigated.
机译：三种配合物[{Cu_2（trans-oxap）（nic）（H_2O）_2} _n]（ClO_4）_n·0.5nH_2O 1，[Cu_2（trans-oxen）（nic）_2（H_2O）_2]·2h_2o 2，[ Cu_2（反式-oxen）（hyba）_2（H_2O）_2] 3由反式-乙酰胺桥联的双铜（II）单元[Cu_2（trans-L）]〜（2+）（L = oxen）反应制得或oxap，H_2oxen = N，N'-双（2-氨基乙基）草酰胺，H_2oxap = N，N'-双（2-氨基丙基）草酰胺），带有辅助配体羟基苯甲酸（Hhyba）和烟酸（Hnic）。结果表明，由于辅助配体nic充当连接双铜单元的间隔基，因此在1中形成了聚合物链。然而，2和3仅包含离散的双核单元，因为nic中2和hyba其中3个是末端配体.1个链和2和3个双核单元进一步通过氢键形成延伸结构。这些配合物的结构多样性是由于配位给体对铜（III）的亲和力不同而引起的。以第3个为例已经研究了所有复合物的热行为。

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