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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Spirocyclic, macrocyclic and ladder complexes of coinage metals and mercury with dichalcogeno P2N2-supported anions
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Spirocyclic, macrocyclic and ladder complexes of coinage metals and mercury with dichalcogeno P2N2-supported anions

机译:造币金属和汞与双金属卤素化合物P2N2负载的阴离子的螺旋环,大环和梯形络合物

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摘要

Metathetical reactions of alkali-metal derivatives of the dianion [(BuN)-Bu-t(Se) P(mu-(NBu)-Bu-t)(2)P(Se)(NBu)-Bu-t](2-) (2Se(2-)) with Ag(NHC)Cl, Ag[BF4], AuCl(THT) and HgCl2, as well as the reaction of 2S(2-) with AuCl(THT) were investigated. The observed products all incorporate the monoprotonated ligands 2SeH(-) or 2SH(-) in a variety of structural arrangements around the metal centres, including tetrameric and trimeric macrocycles [Ag and Au (E = Se)], a ladder (Au, E = S) and a spirocycle (Hg); the ladder contains both the dianion 2S(2-) and the monoanion 2SH(-) as ligands linking three Au-2 units. All complexes have been characterised in the solid state by single crystal X-ray analyses and in solution by multinuclear (H-1, P-31 and Se-77) NMR spectra.
机译:二价阴离子[(BuN)-Bu-t(Se)P(mu-(NBu)-Bu-t)(2)P(Se)(NBu)-Bu-t](2)的碱金属衍生物的易位反应-)(2Se(2-))与Ag(NHC)Cl,Ag [BF4],AuCl(THT)和HgCl2的反应,以及2S(2-)与AuCl(THT)的反应进行了研究。观察到的产物均在金属中心周围的各种结构排列中包含单质子化的配体2SeH(-)或2SH(-),包括四聚和三聚大环[Ag和Au(E = Se)],梯形(Au,E = S)和螺环(Hg);梯形图包含双阴离子2S(2-)和单阴离子2SH(-)作为连接三个Au-2单元的配体。所有配合物均已通过单晶X射线分析表征为固态,并在溶液中通过多核(H-1,P-31和Se-77)NMR光谱进行了表征。

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