Scholarlink

<p>The title compound (<b>1</b>) was synthesized through reaction between Pd(CH<sub>3</sub>CN)<sub>4</sub>(BF<sub>4</sub>)<sub>2</sub> and <i>m</i>-xylylenebis(pyridyltriazole) (<i>m</i>-xpt) in a mixture of CH<sub>2</sub>Cl<sub>2</sub> and CH<sub>3</sub>CN. The solid product was crystallized by vapor diffusion of ethyl ether into a DMSO solution. In the crystal structure of <b>1</b>, square-planar <i>trans</i>-[Pd(pyridyltriazole)<sub>2</sub>]<sup>2+</sup> groups are joined by <i>m</i>-xylylene bridges to make centrosymmetric [Pd<sub>2</sub>(<i>m</i>-xpt)<sub>2</sub>]<sup>4+</sup> cations with Pd⋯Pd = 5.1337(4) Å. As in previously published structures with the isomeric <i>o</i>-xpt ligand, ([Ag<sub>2</sub>(<i>o</i>-xpt)<sub>2</sub>]<sup>2+</sup> and [Pd<sub>2</sub>(<i>o</i>-xpt)<sub>2</sub>]<sup>4+</sup>), the Pd(pyridyltriazole)<sub>2</sub> planes in <b>1</b> make close π contact (3.302&#xa0;Å); this is accomplished by twisting of the <i>m</i>-xpt bridging groups, so that the longer Pd⋯Pd vector makes a 40° angle with the Pd(pyridyltriazole)<sub>2</sub> planes.</p> Graphical Abstract <p>The crystal structure of the title compound shows a Pd⋯Pd distance approximately as expected (5.1337(4) Å), but with its <i>m</i>-xylylene groups twisted in order to permit close π–π interactions (3.302&#xa0;Å) between its Pd(pyridyltriazole)<sub>2</sub> planes.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

A Dinuclear Pd Complex with the bis(Pyridyltriazole) Ligand m-xpt: [Pd2(m-xpt)2](DMSO)6(BF4)4

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年8月18日

查看全文
  • Sen Gao,
  • Frank R. Fronczek,
  • Andrew W. Maverick

摘要

The title compound (1) was synthesized through reaction between Pd(CH3CN)4(BF4)2 and m-xylylenebis(pyridyltriazole) (m-xpt) in a mixture of CH2Cl2 and CH3CN. The solid product was crystallized by vapor diffusion of ethyl ether into a DMSO solution. In the crystal structure of 1, square-planar trans-[Pd(pyridyltriazole)2]2+ groups are joined by m-xylylene bridges to make centrosymmetric [Pd2(m-xpt)2]4+ cations with Pd⋯Pd = 5.1337(4) Å. As in previously published structures with the isomeric o-xpt ligand, ([Ag2(o-xpt)2]2+ and [Pd2(o-xpt)2]4+), the Pd(pyridyltriazole)2 planes in 1 make close π contact (3.302 Å); this is accomplished by twisting of the m-xpt bridging groups, so that the longer Pd⋯Pd vector makes a 40° angle with the Pd(pyridyltriazole)2 planes.

Graphical Abstract

The crystal structure of the title compound shows a Pd⋯Pd distance approximately as expected (5.1337(4) Å), but with its m-xylylene groups twisted in order to permit close π–π interactions (3.302 Å) between its Pd(pyridyltriazole)2 planes.