Cyanide-bridged trinuclear complexes based on central bis(hexafluoroacetylacetonate)metal units

被引:29
作者
Chen, ZN [1 ]
Appelt, R [1 ]
Vahrenkamp, H [1 ]
机构
[1] Univ Freiburg, Inst Anorgan & Analyt Chem, D-79104 Freiburg, Germany
关键词
trinuclear complexes; cyanide bridging; electrochemistry; structure;
D O I
10.1016/S0020-1693(00)00230-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
By treatment of the complexes (hfa)(2)M (M = Mn, Fe, Co, Ni, Cu, Zn, Cd; hfa= hexafluoroacetylacetonate) with the metallocyanides LnM'-CN (LnM' = Cp(dppe)Fe and Cp(PPh3)(2)Ru) 14 trinuclear complexes LnM'N-M(hfa)(2)-NC-M'L-n were obtained. Their IR data and four structure determinations have shown that they contain essentially linear M'-CN-M-NC-M' arrays, i.e. have trans-configured M(hfa)(2)(NC)(2) centers. Only complex Cp(PPh3)(2)Ru-CN-Co(hfa)(2)-NC-Ru(PPh3)(2)Cp was also obtained and structurally characterized as the cis isomer. Cyclic voltammetry has yielded no indication that there is electronic communication between the external LnM units upon oxidation. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:65 / 71
页数:7
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