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Article: Synthesis, electrochemistry and structural characterization of luminescent rhenium(I) monoynyl complexes and their homo- and hetero-metallic binuclear complexes

TitleSynthesis, electrochemistry and structural characterization of luminescent rhenium(I) monoynyl complexes and their homo- and hetero-metallic binuclear complexes
Authors
KeywordsAlkynyl
Electrochemistry
Luminescence
Metal-to-ligand charge transfer (MLCT) transition
Metallo-ligand
Rhenium(I)
Issue Date2003
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jorganchem
Citation
Journal Of Organometallic Chemistry, 2003, v. 670 n. 1-2, p. 205-220 How to Cite?
AbstractA series of luminescent rhenium(I) monoynyl complexes, [Re(N-N)(CO)3(C≡C-R)] (N-N = bpy, tBu2bpy; R = C6H5, C6H4-Cl-4, C6H4-OCH3-4, C6H4-C8H17-4, C6H4-C6H5, C8H17, C4H3S, C4H2S-C4H3S, C5H4N), together with their homo- and heterometallic binuclear complexes, {Re(N-N)(CO)3(C≡C-C5H4N)[M]} (N-N = bpy, tBu2bpy; [M] = [Re{(CF3)2-bpy}(CO)3]ClO4, [Re(NO2-phen)(CO)3]ClO4, W(CO)5) have been synthesized and their electrochemical and photoluminescence behaviors determined. The structural characterization and electronic structures of selected complexes have also been studied. The luminescence origin of the rhenium(I) alkynyl complexes has been assigned as derived states of a [dπ(Re) → π*(N-N)] metal-to-ligand charge transfer (MLCT) origin mixed with a [π(C≡CR)→π*(N-N)] ligand-to-ligand charge transfer (LLCT) character. The assignments are further supported by extended Hückel molecular orbital (EHMO) calculations, which show that the LUMO mainly consists of π*(N-N) character while the HOMO is dominated by the antibonding character of the Re-C≡CR moiety resulted from the overlap of the dπ(Re) and π(C≡CR) orbitals. © 2003 Elsevier Science B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/69404
ISSN
2015 Impact Factor: 2.336
2015 SCImago Journal Rankings: 0.732
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYam, VWWen_HK
dc.contributor.authorWong, KMCen_HK
dc.contributor.authorChong, SHFen_HK
dc.contributor.authorLau, VCYen_HK
dc.contributor.authorLam, SCFen_HK
dc.contributor.authorZhang, Len_HK
dc.contributor.authorCheung, KKen_HK
dc.date.accessioned2010-09-06T06:13:21Z-
dc.date.available2010-09-06T06:13:21Z-
dc.date.issued2003en_HK
dc.identifier.citationJournal Of Organometallic Chemistry, 2003, v. 670 n. 1-2, p. 205-220en_HK
dc.identifier.issn0022-328Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/69404-
dc.description.abstractA series of luminescent rhenium(I) monoynyl complexes, [Re(N-N)(CO)3(C≡C-R)] (N-N = bpy, tBu2bpy; R = C6H5, C6H4-Cl-4, C6H4-OCH3-4, C6H4-C8H17-4, C6H4-C6H5, C8H17, C4H3S, C4H2S-C4H3S, C5H4N), together with their homo- and heterometallic binuclear complexes, {Re(N-N)(CO)3(C≡C-C5H4N)[M]} (N-N = bpy, tBu2bpy; [M] = [Re{(CF3)2-bpy}(CO)3]ClO4, [Re(NO2-phen)(CO)3]ClO4, W(CO)5) have been synthesized and their electrochemical and photoluminescence behaviors determined. The structural characterization and electronic structures of selected complexes have also been studied. The luminescence origin of the rhenium(I) alkynyl complexes has been assigned as derived states of a [dπ(Re) → π*(N-N)] metal-to-ligand charge transfer (MLCT) origin mixed with a [π(C≡CR)→π*(N-N)] ligand-to-ligand charge transfer (LLCT) character. The assignments are further supported by extended Hückel molecular orbital (EHMO) calculations, which show that the LUMO mainly consists of π*(N-N) character while the HOMO is dominated by the antibonding character of the Re-C≡CR moiety resulted from the overlap of the dπ(Re) and π(C≡CR) orbitals. © 2003 Elsevier Science B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jorganchemen_HK
dc.relation.ispartofJournal of Organometallic Chemistryen_HK
dc.subjectAlkynylen_HK
dc.subjectElectrochemistryen_HK
dc.subjectLuminescenceen_HK
dc.subjectMetal-to-ligand charge transfer (MLCT) transitionen_HK
dc.subjectMetallo-liganden_HK
dc.subjectRhenium(I)en_HK
dc.titleSynthesis, electrochemistry and structural characterization of luminescent rhenium(I) monoynyl complexes and their homo- and hetero-metallic binuclear complexesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-328X&volume=670&spage=205&epage=220&date=2003&atitle=Synthesis,+electrochemistry+and+structural+characterization+of+luminescent+rhenium(I)+monoynyl+complexes+and+their+homo-+and+hetero-metallic+binuclear+complexesen_HK
dc.identifier.emailYam, VWW:wwyam@hku.hken_HK
dc.identifier.emailWong, KMC:wongmc@hku.hken_HK
dc.identifier.authorityYam, VWW=rp00822en_HK
dc.identifier.authorityWong, KMC=rp00809en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0022-328X(03)00010-Xen_HK
dc.identifier.scopuseid_2-s2.0-0037450976en_HK
dc.identifier.hkuros83170en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037450976&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume670en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage205en_HK
dc.identifier.epage220en_HK
dc.identifier.isiWOS:000181779200023-
dc.publisher.placeSwitzerlanden_HK
dc.identifier.scopusauthoridYam, VWW=18539304700en_HK
dc.identifier.scopusauthoridWong, KMC=8061067200en_HK
dc.identifier.scopusauthoridChong, SHF=7201660277en_HK
dc.identifier.scopusauthoridLau, VCY=7005811453en_HK
dc.identifier.scopusauthoridLam, SCF=7402279761en_HK
dc.identifier.scopusauthoridZhang, L=15039869400en_HK
dc.identifier.scopusauthoridCheung, KK=7402406613en_HK

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