M-X•••X′-C halogen-bonded network formation in MX2(4-halopyridine)2 complexes (M = Pd, Pt; X = Cl, I; X′ = Cl, Br, I)

被引：67

作者：

Zordan, Fiorenzo ^{[1
]}

Brammer, Lee ^{[1
]}

机构：

[1] Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England

来源：

CRYSTAL GROWTH & DESIGN | 2006年 / 6卷 / 06期

关键词：

D O I：

10.1021/cg050670m

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The syntheses and crystal structures of five compounds, trans-[MCl2(4-Xpy)(2)] (M=Pd, Pt; 4-Xpy=4-halopyridine; X=Cl, Br) and trans-[PdI2(4-Ipy)(2)], are reported. All except trans-[PdCl2(4-Clpy)(2)] adopt crystal structures comprising 1D or 2D networks propagated via intermolecular M-X center dot center dot center dot X'-C halogen bonds. Halogen bond geometries exhibit near linear angles (157-173 degrees) at the organic halogen (C-X') and much smaller angles (85-112 degrees) at the inorganic halogen (M-X), consistent with the behavior of these halogen environments as electrophile and nucleophile, respectively. Powder diffraction studies suggest that these compounds are polymorphic.

引用

页码：1374 / 1379

页数：6

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