1D and 2D supramolecular assemblies from Hg(II) halide complexes of tris(2-pyridyl)amine: structural and spectroscopic studies

被引：18

作者：

Xie, YS ^{[1
]}

Ni, J ^{[1
]}

Jiang, H ^{[1
]}

Liu, QL ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2004年 / 687卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

crystal structures; Hg(II) complexes; 2D networks; pi-pi interactions;

D O I：

10.1016/j.molstruc.2003.09.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two Hg(II) halide complexes, [Hg2Cl4(TPA)(2)] (1) and [HgBr2(TPA)] (2) (TPA = tris(2-pyridyl)amine) have been synthesized. X-ray diffraction analyses reveal that 1 is binuclear, whereas, 2 is mononuclear. The binuclear structure of 1 is unsymmetrical: one Hg(II) atom is octahedrally coordinated, with the other Hg(II) tetrahedrally coordinated. Hg(II) atom in 2 has a distorted tetrahedral coordination environment. The coordination moieties of complexes 1 and 2 are connected to give 2D and 1D structures, respectively, by weak intermolecular interactions, namely, the multiple pi-pi interactions between the TPA pyridyl rings in complex 1, and the intermolecular Hg(II)Br-... interactions in complex 2. H-1 NMR, IR, and Raman results are discussed with reference to the crystal structures. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：73 / 78

页数：6

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