Work

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

Year: 2025

Type: article

Abstract: 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.

Source: Journal of Chemical Crystallography

DOI: 10.1007/s10870-025-01058-1

Authors: Sen Gao, Frank R. Fronczek, Andrew W. Maverick

Institutions: Shenyang Medical College, Louisiana State University

Language: English

Topic: Crystal structures of chemical compounds

Subfield: Inorganic Chemistry

Field: Chemistry

Domain: Physical Sciences

Open Access status: hybrid

Estimated APC paid: $3,190

Funder: LSU College of Science