About: Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(.mu.L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2- = 2,5

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About: Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(.mu.L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2- = 2,5–bis(2-oxidophenyl)pyrazine Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Structurally characterised 2,5-bis(2-hydroxyphenyl)pyrazine (H2L) can be partially or fully deprotonated to form the complexes [(acac)2Ru(.mu.-L)Ru(acac)2] [1], acac- = acetylacetonato = 2,4-pentanedionato, [(pap)2Ru(.mu.-L)Ru(pap)2](ClO4)2 [2](ClO4)2, pap = 2-phenylazopyridine, or [(pap)2Ru(.mu.L)Ru](ClO4), [3](ClO4). Several reversible oxidation and reduction processes were observed in each case and were analysed with respect to oxidation state alternatives through EPR and uv-vis-nir spectroelectrochemistry. In relation to previously reported compounds with 2,2/-bipyridine as ancillary ligands the complex redox system [1]n is distinguished by a preference for metal-based electron transfer whereas the systems [2]n and [3]n favour an invariant RuII state. Structurally characterised 2,5-bis(2-hydroxyphenyl)pyrazine (H2L) can be partially or fully deprotonated to form the complexes [(acac)2Ru(.mu.-L)Ru(acac)2] [1], acac- = acetylacetonato = 2,4-pentanedionato, [(pap)2Ru(.mu.-L)Ru(pap)2](ClO4)2 [2](ClO4)2, pap = 2-phenylazopyridine, or [(pap)2Ru(.mu.L)Ru](ClO4), [3](ClO4). Several reversible oxidation and reduction processes were observed in each case and were analysed with respect to oxidation state alternatives through EPR and uv-vis-nir spectroelectrochemistry. In relation to previously reported compounds with 2,2/-bipyridine as ancillary ligands the complex redox system [1]n is distinguished by a preference for metal-based electron transfer whereas the systems [2]n and [3]n favour an invariant RuII state. (en) Strukturně charakterizovaný 2,5-bis(2-hydroxyphenyl)pyrazine (H2L) může být částečně nebo úplně deprotonován a tvořit komplexy [(acac)2Ru(.mu.-L)Ru(acac)2] [1], acac- = acetylacetonato = 2,4-pentanedionato, [(pap)2Ru(.mu.-L)Ru(pap)2](ClO4)2 [2](ClO4)2, pap = 2-phenylazopyridine, nebo [(pap)2Ru(.mu.L)Ru](ClO4), [3](ClO4). Bylo pozorováno několik reversibilních oxidačních a redukčních procesů, jež byly analyzovány z hlediska alternativ oxidačních stavů s použitím EPR a uv-vis-nir spektroelektrochemie. V analogii s dříve popsanými sloučeninami s pobočným ligandem 2,2/-bipyridinem, redox systém [1]n se vyznačuje preferencí pro elektronový přenos na kovu, zatímco systémy [2]n a [3]n upřednostňují neměnný RuII stav. (cs)
Title	Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(.mu.L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2- = 2,5–bis(2-oxidophenyl)pyrazine Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(.mu.L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2- = 2,5–bis(2-oxidophenyl)pyrazine (en) Noninocentní chování pobočných a můstkových ligandů v homovalentních komplexů a komplexů se smíšenou valencí [A2Ru(.mu.-L)RuA2]n, A = 2,4-pentanedionato nebo 2-fenylazopyridin, L2- = 2,5-bis(2-oxidophenyl)pyrazin (cs)
skos:prefLabel	Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(.mu.L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2- = 2,5–bis(2-oxidophenyl)pyrazine Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(.mu.L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2- = 2,5–bis(2-oxidophenyl)pyrazine (en) Noninocentní chování pobočných a můstkových ligandů v homovalentních komplexů a komplexů se smíšenou valencí [A2Ru(.mu.-L)RuA2]n, A = 2,4-pentanedionato nebo 2-fenylazopyridin, L2- = 2,5-bis(2-oxidophenyl)pyrazin (cs)
skos:notation	RIV/61388955:_____/07:00084292!RIV08-MSM-61388955
http://linked.open.../vavai/riv/strany	2411;2418
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1P05OC068), P(LC510), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Fiedler, Jan
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	437491
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/07:00084292
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	spectroelectrochemistry; 2-phenylazopyridine; ruthenium complexes; metal complexes (en)
http://linked.open.../riv/klicoveSlovo	metal complexes spectroelectrochemistry ruthenium complexes 2-phenylazopyridine
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[6D222D481D96]
http://linked.open...i/riv/nazevZdroje	Dalton Transactions
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Control of functional behaviour of transition - metal compounds
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	20
http://linked.open...iv/tvurceVysledku	Fiedler, Jan Kaim, W. Lahiri, G. K. Mobin, S. M. Sarkar, B. Maji, S.
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	1477-9226
number of pages	8 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(.mu.L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2- = 2,5–bis(2-oxidophenyl)pyrazine Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(.mu.L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2- = 2,5–bis(2-oxidophenyl)pyrazine Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(.mu.L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2- = 2,5–bis(2-oxidophenyl)pyrazine

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