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Article: Synthesis, spectroscopy, and photochemistry of bis[bis(diphenylphosphino)-methane]bis(2,5-di-isocyano-2,5-dimethylhexane) dirhodium(I)

TitleSynthesis, spectroscopy, and photochemistry of bis[bis(diphenylphosphino)-methane]bis(2,5-di-isocyano-2,5-dimethylhexane) dirhodium(I)
Authors
Issue Date1990
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton
Citation
Journal Of The Chemical Society, Dalton Transactions, 1990 n. 5, p. 1717-1722 How to Cite?
AbstractReaction between [Rh2L4]2+ (L = 2,5-di-isocyano-2,5-dimethylhexane) and dppm [bis(diphenylphosphino)methane] in acetonitrile yielded [Rh2L2(dppm)2]2+. Its optical spectrum displays an intense absorption at 595 nm, which is assigned to the transition 1A1g[(dσ*)2] → 1B1u [(dσ*)1(pσ)1]. Room-temperature fluorescence at 677 nm, from the 1B1u excited state, is observed in fluid solution. The 3B1u state of the rhodium complex is long-lived with a measured lifetime of 1.0 ± 0.1 μs. Studies on the quenching reactions with a series of pyridinium acceptors established that the excited reduction potential [E°(Rh2 3+-Rh2 2+*)] is -1.13 V vs. saturated calomel electrode. The mechanism of the photoreactions of the rhodium complex with halogenocarbons is discussed.
Persistent Identifierhttp://hdl.handle.net/10722/168183
ISSN
2002 Impact Factor: 3.023
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChe, CMen_US
dc.contributor.authorLee, WMen_US
dc.contributor.authorKwong, HLen_US
dc.contributor.authorYam, VWWen_US
dc.contributor.authorCho, KCen_US
dc.date.accessioned2012-10-08T03:16:02Z-
dc.date.available2012-10-08T03:16:02Z-
dc.date.issued1990en_US
dc.identifier.citationJournal Of The Chemical Society, Dalton Transactions, 1990 n. 5, p. 1717-1722en_US
dc.identifier.issn1472-7773en_US
dc.identifier.urihttp://hdl.handle.net/10722/168183-
dc.description.abstractReaction between [Rh2L4]2+ (L = 2,5-di-isocyano-2,5-dimethylhexane) and dppm [bis(diphenylphosphino)methane] in acetonitrile yielded [Rh2L2(dppm)2]2+. Its optical spectrum displays an intense absorption at 595 nm, which is assigned to the transition 1A1g[(dσ*)2] → 1B1u [(dσ*)1(pσ)1]. Room-temperature fluorescence at 677 nm, from the 1B1u excited state, is observed in fluid solution. The 3B1u state of the rhodium complex is long-lived with a measured lifetime of 1.0 ± 0.1 μs. Studies on the quenching reactions with a series of pyridinium acceptors established that the excited reduction potential [E°(Rh2 3+-Rh2 2+*)] is -1.13 V vs. saturated calomel electrode. The mechanism of the photoreactions of the rhodium complex with halogenocarbons is discussed.en_US
dc.languageengen_US
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/daltonen_US
dc.relation.ispartofJournal of the Chemical Society, Dalton Transactionsen_US
dc.titleSynthesis, spectroscopy, and photochemistry of bis[bis(diphenylphosphino)-methane]bis(2,5-di-isocyano-2,5-dimethylhexane) dirhodium(I)en_US
dc.typeArticleen_US
dc.identifier.emailChe, CM:cmche@hku.hken_US
dc.identifier.emailYam, VWW:wwyam@hku.hken_US
dc.identifier.authorityChe, CM=rp00670en_US
dc.identifier.authorityYam, VWW=rp00822en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1039/DT9900001717en_US
dc.identifier.scopuseid_2-s2.0-37049071650en_US
dc.identifier.issue5en_US
dc.identifier.spage1717en_US
dc.identifier.epage1722en_US
dc.identifier.isiWOS:A1990DD96100031-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridChe, CM=7102442791en_US
dc.identifier.scopusauthoridLee, WM=27167694800en_US
dc.identifier.scopusauthoridKwong, HL=35569416300en_US
dc.identifier.scopusauthoridYam, VWW=18539304700en_US
dc.identifier.scopusauthoridCho, KC=15129672200en_US

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