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Article: Photochemistry of diplatinum(III,III) pyrophosphite complexes. Efficient photochemical reduction of [Pt2(pop)4X2]4- to [Pt2(pop)4]4- in methanol

TitlePhotochemistry of diplatinum(III,III) pyrophosphite complexes. Efficient photochemical reduction of [Pt2(pop)4X2]4- to [Pt2(pop)4]4- in methanol
Authors
Issue Date1988
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.html
Citation
Journal Of The American Chemical Society, 1988, v. 110 n. 16, p. 5407-5411 How to Cite?
AbstractUV-vis irradiation of [Pt2(pop)4X2]4- [pop = P2O5H2 2-; X = Cl, Br, SCN, I, Im (ImH = imidazole)] in methanol leads to reduction to [Pt2(pop)4]4- with nearly quantitative yield (over 92%). Upon ligand-to-metal charge-transfer [σx → dσ*] excitation, the quantum yield (φr) for the reduction of [Pt2(pop)4X2]4- decreases with X2 = (CH3)(I) 〉 (SCN)2 〉 I2 〉 Im2 〉 Cl2 〉 Br2. The φr values are wavelength dependent, being higher with σx → dσ* excitation than that with dπ → dσ*. Flash photolysis experiments indicate that the primary step of the photoreactions is the homolytic breakage of the Pt-X bond, [Pt2(pop)4X2]4- → [PtIIIPtIII(pop)4X]4- + •X. © 1988 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/167815
ISSN
2015 Impact Factor: 13.038
2015 SCImago Journal Rankings: 7.123
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChe, CMen_US
dc.contributor.authorLee, WMen_US
dc.contributor.authorCho, KCen_US
dc.date.accessioned2012-10-08T03:11:55Z-
dc.date.available2012-10-08T03:11:55Z-
dc.date.issued1988en_US
dc.identifier.citationJournal Of The American Chemical Society, 1988, v. 110 n. 16, p. 5407-5411en_US
dc.identifier.issn0002-7863en_US
dc.identifier.urihttp://hdl.handle.net/10722/167815-
dc.description.abstractUV-vis irradiation of [Pt2(pop)4X2]4- [pop = P2O5H2 2-; X = Cl, Br, SCN, I, Im (ImH = imidazole)] in methanol leads to reduction to [Pt2(pop)4]4- with nearly quantitative yield (over 92%). Upon ligand-to-metal charge-transfer [σx → dσ*] excitation, the quantum yield (φr) for the reduction of [Pt2(pop)4X2]4- decreases with X2 = (CH3)(I) 〉 (SCN)2 〉 I2 〉 Im2 〉 Cl2 〉 Br2. The φr values are wavelength dependent, being higher with σx → dσ* excitation than that with dπ → dσ*. Flash photolysis experiments indicate that the primary step of the photoreactions is the homolytic breakage of the Pt-X bond, [Pt2(pop)4X2]4- → [PtIIIPtIII(pop)4X]4- + •X. © 1988 American Chemical Society.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.htmlen_US
dc.relation.ispartofJournal of the American Chemical Societyen_US
dc.titlePhotochemistry of diplatinum(III,III) pyrophosphite complexes. Efficient photochemical reduction of [Pt2(pop)4X2]4- to [Pt2(pop)4]4- in methanolen_US
dc.typeArticleen_US
dc.identifier.emailChe, CM:cmche@hku.hken_US
dc.identifier.authorityChe, CM=rp00670en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1021/ja00224a028-
dc.identifier.scopuseid_2-s2.0-0041403778en_US
dc.identifier.volume110en_US
dc.identifier.issue16en_US
dc.identifier.spage5407en_US
dc.identifier.epage5411en_US
dc.identifier.isiWOS:A1988P527900028-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChe, CM=7102442791en_US
dc.identifier.scopusauthoridLee, WM=27167694800en_US
dc.identifier.scopusauthoridCho, KC=15129672200en_US

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