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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Influence of the bridging ligand on the substitution behaviour of dinuclear Pt(II) complexes. An experimental and theoretical approach
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Influence of the bridging ligand on the substitution behaviour of dinuclear Pt(II) complexes. An experimental and theoretical approach

机译：桥联配体对双核Pt（II）配合物取代行为的影响。实验和理论方法

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摘要

A series of dinuclear Pt(II) complexes of the type [Pt-2(N,N,N',N'-tetrakis(2-pyridylmethyl)diamine(H2O)(2)](4+) were synthesized. Acid-base titrations, and concentration and temperature dependent stopped-flow measurements of the reaction with chloride were performed to study the thermodynamic and kinetic behaviour of the dinuclear bridged complexes. The results indicate that there is a clear interaction between the two Pt(II) centres, which becomes weaker as the aliphatic chain increases in length. From a certain chain length onwards, the Pt(II) centres become independent of each other and exhibit identical thermodynamic and kinetic properties. The experimental results are discussed in reference to structures obtained by DFT (BP86/LACVP*) calculations.
机译：合成了一系列类型为[Pt-2（N，N，N'，N'-四（2-吡啶基甲基）二胺（H2O）（2）]（4+）的双核Pt（II）配合物。进行了碱滴定以及与氯化物反应的浓度和温度相关的停流测量，以研究双核桥联配合物的热力学和动力学行为，结果表明两个Pt（II）中心之间存在明显的相互作用，从一定的链长开始，Pt（II）的中心彼此独立，并表现出相同的热力学和动力学性质。实验结果参照DFT（ BP86 / LACVP *）计算。

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