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rdf:type
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Description
| - Dirutheniové(II) komplexy {(.mu.-L)[RuCl(Cym)]2}(PF6)N, Cym = p-cymene = 4-isopropyltoluen, L = 2,2''-azobispyridin = abpy a n = 1, nebo L = 2,5-bis(1-phenyliminoethyl)pyrazin = bpip a n = 2, byly syntetizovány a charakterizovány NMR (n = 2 ) nebo EPR spectroskopií (n = 1). Zatímco částice (n = 1 ) jsou RuIIRuII komplexy přemostěné radikálem ligandu, tříelektronová redukce za ztráty obou chloridových iontů produkuje ionty {(.mu.-L)[Ru(Cym)]2}+ které mohly být identifikovány jako částice se smíšeným valenčním stavem (RuoRuI nebo RuIRuII ) obsahující RuI(4d7) prosřednictvím UV-VIS-NIR spektroelektrochemie (intervalenční pásy kolem 1500 nm) a EPR (rhombická anisotropie g tensoru). Slabá interakce kov-kov elektronů eg hladin je zodpovědná za malé elektrochemické propojení s komproporcionační konstantou Kc /~ 102. (cs)
- The diruthenium(II) complexes {(.mu.-L)[RuCl(Cym)]2}(PF6)n, Cym = p-cymene = 4-isopropyltoluene, L = 2,2''-azobispyridine = abpy and n = 1, or L = 2,5-bis(1-phenyliminoethyl)pyrazine = bpip and n = 2, were synthesized and characterized by NMR (n = 2) or EPR spectroscopy (n = 1). Whereas the (n = 1) species are ligand radical-bridged RuIIRuII complexes, the three-electron reduction under loss of both chloride ions produces the ions {(.mu.-L)[Ru(Cym)]2}+ which could be identified as RuI(4d7)-containing mixed-valent species (RuoRuI or RuIRuII) through UV-vis-NIR spectroelectrochemistry (inter-valence charge transfer bands around 1500 nm) and EPR (rhombic g tensor anisotropy). The weak metal-metal interaction of the do electrons from the eg set is responsible for the small electrochemical coupling with comproportionation constants Kc /~ 102.
- The diruthenium(II) complexes {(.mu.-L)[RuCl(Cym)]2}(PF6)n, Cym = p-cymene = 4-isopropyltoluene, L = 2,2''-azobispyridine = abpy and n = 1, or L = 2,5-bis(1-phenyliminoethyl)pyrazine = bpip and n = 2, were synthesized and characterized by NMR (n = 2) or EPR spectroscopy (n = 1). Whereas the (n = 1) species are ligand radical-bridged RuIIRuII complexes, the three-electron reduction under loss of both chloride ions produces the ions {(.mu.-L)[Ru(Cym)]2}+ which could be identified as RuI(4d7)-containing mixed-valent species (RuoRuI or RuIRuII) through UV-vis-NIR spectroelectrochemistry (inter-valence charge transfer bands around 1500 nm) and EPR (rhombic g tensor anisotropy). The weak metal-metal interaction of the do electrons from the eg set is responsible for the small electrochemical coupling with comproportionation constants Kc /~ 102. (en)
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Title
| - Molecule-Bridged Mixed-Valent Intermediates Involving the RuI Oxidation State
- Molekulovým můstkem spojené intermediáty zahrnovující RuI Oxidační Stav (cs)
- Molecule-Bridged Mixed-Valent Intermediates Involving the RuI Oxidation State (en)
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skos:prefLabel
| - Molecule-Bridged Mixed-Valent Intermediates Involving the RuI Oxidation State
- Molekulovým můstkem spojené intermediáty zahrnovující RuI Oxidační Stav (cs)
- Molecule-Bridged Mixed-Valent Intermediates Involving the RuI Oxidation State (en)
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skos:notation
| - RIV/61388955:_____/04:00107671!RIV/2005/AV0/A54005/N
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA203/03/0821), P(OC D15.10), Z(AV0Z4040901)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61388955:_____/04:00107671
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - valence complexes; metal centers; ligand (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Journal of the American Chemical Society
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Fiedler, Jan
- Kaim, W.
- Sarkar, B.
- Duboc, C.
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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