About: Structure, electrochemistry and spectroscopy of a new diacylhydrazido-bridged diruthenium complex with a strongly near-infrared absorbing RuIIIRuII intermediate

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About: Structure, electrochemistry and spectroscopy of a new diacylhydrazido-bridged diruthenium complex with a strongly near-infrared absorbing RuIIIRuII intermediate Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Reaction of Ru(bpy)2Cl22 H2O with 1,2-bis(trifluoroacetyl)hydrazine H2(adc-CF3) under basic conditions yields the dinuclear [(μ-adc-CF3){Ru(bpy)2}2]2+ ion which was isolated and crystallized for structure determination in the meso diastereoisomer form as the bis(hexafluorophosphate). The Ru Ru distance was determined at 5.029(1) Å, and the N–N bond length at 1.463(5) Å reveals a hydrazido(2) form of the bridge, implying unchanged + II metal oxidation states. Besides bpy-based reduction, the cyclic voltammetric analysis revealed two oxidation waves with a (3+) intermediate. Spectroelectrochemistry demonstrated that this intermediate [(μ-adc-CF3){Ru(bpy)2}2]3+ with a comproportionation constant of Kc = 108.8 and an absorption at 1680 nm (ε = 9900 M-1 cm1) is a mixed-valent species as evident most convincingly from the EPR parameters at g1 = 2.239, g2 = 2.065, g3 = 1.891 (gav = 2.101, Δg = g1 g3 = 0.348). Reaction of Ru(bpy)2Cl22 H2O with 1,2-bis(trifluoroacetyl)hydrazine H2(adc-CF3) under basic conditions yields the dinuclear [(μ-adc-CF3){Ru(bpy)2}2]2+ ion which was isolated and crystallized for structure determination in the meso diastereoisomer form as the bis(hexafluorophosphate). The Ru Ru distance was determined at 5.029(1) Å, and the N–N bond length at 1.463(5) Å reveals a hydrazido(2) form of the bridge, implying unchanged + II metal oxidation states. Besides bpy-based reduction, the cyclic voltammetric analysis revealed two oxidation waves with a (3+) intermediate. Spectroelectrochemistry demonstrated that this intermediate [(μ-adc-CF3){Ru(bpy)2}2]3+ with a comproportionation constant of Kc = 108.8 and an absorption at 1680 nm (ε = 9900 M-1 cm1) is a mixed-valent species as evident most convincingly from the EPR parameters at g1 = 2.239, g2 = 2.065, g3 = 1.891 (gav = 2.101, Δg = g1 g3 = 0.348). (en)
Title	Structure, electrochemistry and spectroscopy of a new diacylhydrazido-bridged diruthenium complex with a strongly near-infrared absorbing RuIIIRuII intermediate Structure, electrochemistry and spectroscopy of a new diacylhydrazido-bridged diruthenium complex with a strongly near-infrared absorbing RuIIIRuII intermediate (en)
skos:prefLabel	Structure, electrochemistry and spectroscopy of a new diacylhydrazido-bridged diruthenium complex with a strongly near-infrared absorbing RuIIIRuII intermediate Structure, electrochemistry and spectroscopy of a new diacylhydrazido-bridged diruthenium complex with a strongly near-infrared absorbing RuIIIRuII intermediate (en)
skos:notation	RIV/61388955:_____/10:00346411!RIV11-MSM-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(OC 140), P(OC09043), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2011
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	290498
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/10:00346411
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	crystal structure; hydrazido ligand; near-infrared ruthenium (en)
http://linked.open.../riv/klicoveSlovo	crystal structure hydrazido ligand near-infrared ruthenium
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[75AB446A912F]
http://linked.open...i/riv/nazevZdroje	Inorganic Chemistry Communications
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20140 Properties and dynamics of electronic states of transition metal complexes
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Fiedler, Jan Kaim, W. Sarkar, B. Bubrin, D. Jana, R.
http://linked.open...ain/vavai/riv/wos	000281919700014
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	1387-7003
number of pages	3 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Structure, electrochemistry and spectroscopy of a new diacylhydrazido-bridged diruthenium complex with a strongly near-infrared absorbing RuIIIRuII intermediate Structure, electrochemistry and spectroscopy of a new diacylhydrazido-bridged diruthenium complex with a strongly near-infrared absorbing RuIIIRuII intermediate Structure, electrochemistry and spectroscopy of a new diacylhydrazido-bridged diruthenium complex with a strongly near-infrared absorbing RuIIIRuII intermediate

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