Tetracyanoquinodimethanide derivatives of norbornadiene rhodium(I) fragments

被引：6

作者：

Ballester, L

Gutierrez, A

Jimenez, R

Perpinan, MF

机构：

[1] Depto. de Quim. Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense

来源：

POLYHEDRON | 1996年 / 15卷 / 02期

关键词：

D O I：

10.1016/0277-5387(95)00192-U

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The rhodium derivatives [Rh(nbd)(N-N)]X, (nbd = norbornadiene, N-N = bpy, phen, X = ClO4, BPh(4))react with anionic TCNQ(-) (7,7,8,8-tetracyanoquinodimethanido) , with total or partial substitution of the counterion but no change in the metal coordination sphere. On the contrary, rhodium derivatives with monodentate nitrogen-donor ligands, such as isoquinoline and substituted pyridines, [Rh(nbd)(N)(2)](+) (N = 2,5-Me(2)C(5)H(3)N), suffer substitution of these ligands and formation of [Rh(nbd)(TCNQ)], for which a dimeric structure with the TCNQ acting as bridges is proposed. By using the mixture TCNQ(radical anion)/TCNQ degrees the complexes with bidentate amines give rise to [Rh(nbd)(N-N)](TCNQ)(2) whose conductivity values are indicative of a higher degree of electronic delocalization in the organic donor units.

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页码：295 / 300

页数：6

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