%0 Journal Article %1 Patra.2004b %A Patra, Srikanta %A Sarkar, Biprajit %A Ghumaan, Sandeep %A Fiedler, Jan %A Zalis, Stanislav %A Kaim, Wolfgang %A Lahiri, Goutam Kumar. %D 2004 %J Dalton Transactions %K DFT IR MO binuclear calcn;near complex complex;EPR complex;frontier complex;ruthenium electrochem paramagnetic prepn redox ruthenium spectroelectrochem tetraiminobiphenyl %N 5 %P 750--753 %R 10.1039/B315927M %T (μ-L)RuII(acac)22n, 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 %X A complete EPR and UV-visible-NIR spectroelectrochem. characterization was carried out for the series 12+/+/0/-/2- where 1 is (μ-L)RuII(acac)22, 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 calcns. using ADF and Gaussian 03 programs support these assignments. on SciFinder(R)

@article{Patra.2004b, abstract = {A complete EPR and UV-visible-NIR spectroelectrochem. characterization was carried out for the series 12+/+/0/-/2- where 1 is {(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 calcns. using ADF and Gaussian 03 programs support these assignments. [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Patra, Srikanta and Sarkar, Biprajit and Ghumaan, Sandeep and Fiedler, Jan and Zalis, Stanislav and Kaim, Wolfgang and Lahiri, Goutam Kumar.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2d8d37dc478206d3697a4ce7210e5904a/huebleriac}, doi = {10.1039/B315927M}, interhash = {4161e6ad8c3d93432cd9fead61976a47}, intrahash = {d8d37dc478206d3697a4ce7210e5904a}, issn = {1477-9226}, journal = {Dalton Transactions}, keywords = {DFT IR MO binuclear calcn;near complex complex;EPR complex;frontier complex;ruthenium electrochem paramagnetic prepn redox ruthenium spectroelectrochem tetraiminobiphenyl}, number = 5, pages = {750--753}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {{(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}, year = 2004 }