Electrochemical and electrocatalytical investigations on the trimanganese sandwich complex [NaMn3(H2O)2(P2W15O56)2]17-

被引：15
|
作者：
Ruhlmann, Laurent
Costa-Coquelard, Claire
Canny, Jacqueline
Thouvenot, Rene
机构：
[1] Univ Paris Sud, UMR CNRS 8000, Chim Phys Lab, F-91405 Orsay, France
[2] Univ Paris 06, UMR CNRS 7071, Lab Chim Inorgan & Mat Mol, F-75252 Paris 05, France
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2007年 / 603卷 / 02期
关键词：
Dawson; paramagnetic P-31 NMR; electrochemistry; electrocatalysis; nitrite reduction;
D O I：
10.1016/j.jelechem.2007.02.017
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The trimanganese sandwich complex [NaMn3II (H2O)(2)(P2W15O56)(2)](17) (abbreviated {NaMn3P4W30}) has been characterized by FTIR spectroscopy, P-31 NMR spectroscopy and elemental analysis. Despite the close structural similarity of {NaMn3P4W30} with the parent anion alpha beta beta alpha-[Mn-4(H2O)(2)(P2W15O56)(2)](16-) (abbreviated {Mn4P4W30}), the two compounds exhibit slightly different electrochemical behaviors. By comparison with {Mn4P4W30}, the Mn-II centers of {NaMn3P4W30} are more difficult to oxidize while the W centers are more easily reduced. Both complexes present a catalytic effect on nitrite reduction. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：260 / 268
页数：9
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