The Tetracyanopyrrolide Anion as Ligand in Transition Metal Complexes

被引：1

作者：

Szafranowska, Barbara ^{[1
]}

Beck, Johannes ^{[1
]}

机构：

[1] Inst Anorgan Chem, D-53121 Bonn, Germany

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2014年 / 640卷 / 10期

关键词：

Tetracyanopyrrolide; Cobalt complex; Nickel complex; Magnetic properties; HETEROCYCLES;

D O I：

10.1002/zaac.201400199

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two isotypic mononuclear discrete complexes [Co(MeCN)(4)(tcp)(2)]center dot 2MeCN (1) and [Ni(MeCN)(4)(tcp)(2)]center dot 2MeCN (2) containing the tetracyanopyrrolide anion [C-4(CN)(4)N](-) (tcp) were synthesized from [Me4N] tcp and the respective metal perchlorates in acetone/acetonitrile. Tcp coordinates to the transition metal atoms in eta(1) fashion via the nitrogen atom of the pyrrole ring. No coordination via the cyano groups is observed. Both complexes show nearly ideal paramagnetic behavior according to the Curie law with magnetic moments of 4.98 mu(B) for 1 and 3.09 mu(B) for 2. In the presence of Cu2+ ions tcp reacts with traces of water under hydrolysis of one cyano group to tricyanopyrrole-2-carboxamide (NC4(CN)(3)C(O)NH2)(-) (tcpc). From solutions in DMF the complex [Cu(tcpc)(2)(DMF)(2)] (3) is isolated.

引用

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页码：1960 / 1964

页数：5

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