Patra, Srikanta ; Sarkar, Biprajit ; Ghumaan, Sandeep ; Fiedler, Jan ; Záliš, Stanislav ; Kaim, Wolfgang ; Lahiri, Goutam Kumar (2004) {(µ-L)[RuII(acac)2]2}n, n= 2+, +, 0, -, 2-, with L=3,3',4,4'-tetraimino-3,3',4,4'-tetrahydrobiphenyl. EPR-supported assignment of NIR absorptions for the paramagnetic intermediates Dalton Transactions (5). pp. 750-753. ISSN 0300-9246
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Official URL: http://xlink.rsc.org/?DOI=b315927m
Related URL: http://dx.doi.org/10.1039/b315927M
Abstract
A complete EPR and UV-Vis-NIR spectroelectrochemical characterisation has been carried out for the series 12+/+/0/-/2- where 1 is the new complex {(μ-L)[RuII(acac)2]2}, L = 3,3',4,4'-tetraimino-3,3',4,4'-tetrahydrobiphenyl. The paramagnetic intermediates are identified as the anion radical (L -) complex 1- with a long-wavelength intra-ligand transition at 2160 nm and as the weakly coupled diruthenium(II,III) species 1+ (Kc = 103) with a low-intensity intervalence charge transfer (IVCT) band at 1570 nm. DFT calculations using ADF and Gaussian 03 programs support these assignments.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 88402 |
| Deposited On: | 28 Mar 2012 10:00 |
| Last Modified: | 28 Mar 2012 10:00 |
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