Tetranuclear complexes {(μ4-TCNX)[Cu(Me3TACN)]4}(BF4)4 with TCNX = TCNE, TCNQ or TCNB (1,2,4,5-tetracyanobenzene) and Me3TACN=1,4,7-trimethyl-1,4,7-triazacyclononane

被引：15

作者：

Berger, S

Hartmann, H

Wanner, M

Fiedler, J

Kaim, W

机构：

[1] Univ Stuttgart, Inst Anorgan Chem, D-70550 Stuttgart, Germany

[2] Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, CZ-18223 Prague, Czech Republic

来源：

INORGANICA CHIMICA ACTA | 2001年 / 314卷 / 1-2期

关键词：

copper compounds; infrared spectra; nitrile ligands; TCNE complexes; TCNQ complexes;

D O I：

10.1016/S0020-1693(00)00368-6

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The title complexes were obtained as blue solids from the reaction of TCNX ligands with four equiv. of [(CH3CN)Cu(Me(3)TACN)](BF4). The poorly soluble (TCNB) or insoluble compounds (TCNE, TCNQ) exhibit nitrile stretching frequencies compatible with only a moderate metal-to-TCNX electron transfer. This observation stands in contrast to results obtained for previously reported tetranuclear species from the reaction of TCNX ligands with complex fragments containing d(6)-configurated metal centers (Mn-I, Ru-II, Os-II). The TCNB complex was characterized in solution by cyclic voltammetry, H-I NMR, IR and UV-Vis spectroelectrochemistry and by EPR of the one-electron reduced form. (C) 2001 Elsevier Science B.V. All rights reserved.

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页码：22 / 26

页数：5

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