π...π interaction assembled silver(I) complexes with the ligand 4′,5′-diaza-9′-(4,5-disubstituted-1,3-dithiol-2-ylidene)fluorene

被引：11

作者：

Zhu, QY

Dai, J ^{[1
]}

Jia, DX

Cao, LH

Lin, HH

机构：

[1] Suzhou Univ, Dept Chem & Chem Engn, Suzhou 215006, Peoples R China

[2] Suzhou Univ, Key Lab Organ Synth Jiangsu Prov, Suzhou 215006, Peoples R China

来源：

POLYHEDRON | 2004年 / 23卷 / 14期

基金：

中国国家自然科学基金;

关键词：

diaza-fluorene; silver complexes; crystal structures; intermolecular interactions; electronic spectra;

D O I：

10.1016/j.poly.2004.07.007

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Six silver(I) complexes with a new type of ligand, 4',5'-diaza-9'-(4,5-disubstituted-1,3-dithiol-2-ylidene)fluorene (L-n, n = 1, Me; 2, Et; 3, Bu substituted) have been obtained. Two of the complexes [Ag(L-1)(2)]ClO4 (1) and [Ag(L-1)(2)]SO3CF3 (4) have been structurally characterized by single-crystal X-ray diffraction. All of the Ag(I) ions are coordinated linearly by two ligands and the cations take planar structures. These planes are further assembled into one dimensional columns by Ag-Ag weak bonds, pi-pi stacking and (AgN)-N-... interactions. The UV-Vis and fluorescence spectra of the complexes were studied and the ligand-centered energy levels are not changed dramatically when the complexes are formed. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：2259 / 2264

页数：6

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