About: Azo Compounds as Electron Acceptor or Radical Ligands in Transition Metal Species: Spectroelectrochemistry and High-Field EPR Studies of Ruthenium, Rhodium and Copper Complexes of 2,2Ž-azobis(5-chloropyrimidine).

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About: Azo Compounds as Electron Acceptor or Radical Ligands in Transition Metal Species: Spectroelectrochemistry and High-Field EPR Studies of Ruthenium, Rhodium and Copper Complexes of 2,2Ž-azobis(5-chloropyrimidine). Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Oxidative coupling of 2-aminopyrimidine with LiOCl produces 5-chloro-2,2Ž-azobis(pyrimidine) and 2,20-azobis(5-chloropyrimidine) (abcp), both of which were structurally characterized. The symmetrical abcp was used as strongly -accepting mono- and bis-chelate ligand in complexes with [(bpy)2Ru]2+, [(H6C6)ClRu]+, [(Ph3P)2Cu]+ and (OC)3ClRe. The -acceptor capability of abcp results in low-energy MLCT transitions and facile reduction to isolable radical complexes of which the DFT-calculated and structurally characterized dicopper(I) species {(-abcp)[Cu(PPh3)2]2}(PF6) was studied by X- and W-band EPR and the complex {(-abcp)[Ru(bpy)2]2}(PF6)3 at 9.6, 230 and 285 GHz EPR frequency. The results indicate considerable metalůligand orbital mixing in the singly occupied molecular orbitals. Oxidative coupling of 2-aminopyrimidine with LiOCl produces 5-chloro-2,2Ž-azobis(pyrimidine) and 2,20-azobis(5-chloropyrimidine) (abcp), both of which were structurally characterized. The symmetrical abcp was used as strongly -accepting mono- and bis-chelate ligand in complexes with [(bpy)2Ru]2+, [(H6C6)ClRu]+, [(Ph3P)2Cu]+ and (OC)3ClRe. The -acceptor capability of abcp results in low-energy MLCT transitions and facile reduction to isolable radical complexes of which the DFT-calculated and structurally characterized dicopper(I) species {(-abcp)[Cu(PPh3)2]2}(PF6) was studied by X- and W-band EPR and the complex {(-abcp)[Ru(bpy)2]2}(PF6)3 at 9.6, 230 and 285 GHz EPR frequency. The results indicate considerable metalůligand orbital mixing in the singly occupied molecular orbitals. (en)
Title	Azo Compounds as Electron Acceptor or Radical Ligands in Transition Metal Species: Spectroelectrochemistry and High-Field EPR Studies of Ruthenium, Rhodium and Copper Complexes of 2,2Ž-azobis(5-chloropyrimidine). Azo Compounds as Electron Acceptor or Radical Ligands in Transition Metal Species: Spectroelectrochemistry and High-Field EPR Studies of Ruthenium, Rhodium and Copper Complexes of 2,2Ž-azobis(5-chloropyrimidine). (en)
skos:prefLabel	Azo Compounds as Electron Acceptor or Radical Ligands in Transition Metal Species: Spectroelectrochemistry and High-Field EPR Studies of Ruthenium, Rhodium and Copper Complexes of 2,2Ž-azobis(5-chloropyrimidine). Azo Compounds as Electron Acceptor or Radical Ligands in Transition Metal Species: Spectroelectrochemistry and High-Field EPR Studies of Ruthenium, Rhodium and Copper Complexes of 2,2Ž-azobis(5-chloropyrimidine). (en)
skos:notation	RIV/61388955:_____/03:54030142!RIV/2004/AV0/A54004/N
http://linked.open.../vavai/riv/strany	183;194
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(OC D14.20), P(OC D15.10), Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Fiedler, Jan Záliš, Stanislav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	599425
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/03:54030142
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ruthenium complexes; copper complex; EPR spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	EPR spectroscopy ruthenium complexes copper complex
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[6F6B423531B7]
http://linked.open...i/riv/nazevZdroje	Journal of Molecular Structure
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	11 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20D14.20 http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20D15.10
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	656
http://linked.open...iv/tvurceVysledku	Fiedler, Jan Kaim, W. Záliš, Stanislav Sixt, T. Frantz, S. Baumann, F. Wanner, M. Denninger, G. Doslik, N. Duboc-Toia, C. Kümmerer, H. J.
http://linked.open...n/vavai/riv/zamer	Objasňování zákonitostí vztahů struktury a vlastností - zejména dynamiky a chemické reaktivity - látek a molekulárních systémů
issn	0022-2860
number of pages	12 (xsd:int)

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