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Article: Syntheses, structures, and properties of some piano-stool iron acetylides bearing a functional anthracenyl group

TitleSyntheses, structures, and properties of some piano-stool iron acetylides bearing a functional anthracenyl group
Authors
Issue Date2008
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/organometallics
Citation
Organometallics, 2008, v. 27 n. 8, p. 1912-1923 How to Cite?
AbstractThe present study reports the isolation and the structural (X-ray), electrochemical (CV), and spectroscopic (IR, Mössbauer, ESR, UV-vis-NIR) characterization of the new complexes [(η2-dppe) (η5-C5Me5)Fe(-C≡C-9,10-ant-X)] n+ n[Y] (dppe = 1,2-bis(diphenylphosphino)ethane; ant = anthracene; n = 0, 1; 3anY, X = H; 3bnY, X = Br; 3cnY, X = CN; 3d, X = C≡C-SiiPr3; 3e, X = C≡C-H; Y = PF6, TCNE, TCNQ). It was shown that anthracene acts as a better transmitter than phenyl. The electron density on the Fe(III) nucleus depends on the distance between the metal center and the counteranion. The bulky (η2-dppe)(η5-C5Me5)Fe moiety is big enough to push the anthracene rings further apart and disrupts π-π stacking except in the case of 3c[TCNE] for which stacking is observed both between the TCNE anion and the (C5Me5) ligand and between anthracene fragments. The Fe(II) complexes display MLCT transitions in the 550-650 nm range while LMCT transitions can be observed in the 600-850 nm spectral range for the Fe(III) complexes. The Fe(II) and Fe(III) complexes exhibit weak luminescence property derived from the alkynyl anthracene units. Both Fe(II) and Fe(III) moieties can quench the ligand-centered emission by two different mechanisms. © 2008 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/68875
ISSN
2014 Impact Factor: 4.126
2014 SCImago Journal Rankings: 1.755
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorDe Montigny, Fen_HK
dc.contributor.authorArgouarch, Gen_HK
dc.contributor.authorRoisnel, Ten_HK
dc.contributor.authorToupet, Len_HK
dc.contributor.authorLapinte, Cen_HK
dc.contributor.authorLam, SCFen_HK
dc.contributor.authorTao, CHen_HK
dc.contributor.authorYam, VWWen_HK
dc.date.accessioned2010-09-06T06:08:31Z-
dc.date.available2010-09-06T06:08:31Z-
dc.date.issued2008en_HK
dc.identifier.citationOrganometallics, 2008, v. 27 n. 8, p. 1912-1923en_HK
dc.identifier.issn0276-7333en_HK
dc.identifier.urihttp://hdl.handle.net/10722/68875-
dc.description.abstractThe present study reports the isolation and the structural (X-ray), electrochemical (CV), and spectroscopic (IR, Mössbauer, ESR, UV-vis-NIR) characterization of the new complexes [(η2-dppe) (η5-C5Me5)Fe(-C≡C-9,10-ant-X)] n+ n[Y] (dppe = 1,2-bis(diphenylphosphino)ethane; ant = anthracene; n = 0, 1; 3anY, X = H; 3bnY, X = Br; 3cnY, X = CN; 3d, X = C≡C-SiiPr3; 3e, X = C≡C-H; Y = PF6, TCNE, TCNQ). It was shown that anthracene acts as a better transmitter than phenyl. The electron density on the Fe(III) nucleus depends on the distance between the metal center and the counteranion. The bulky (η2-dppe)(η5-C5Me5)Fe moiety is big enough to push the anthracene rings further apart and disrupts π-π stacking except in the case of 3c[TCNE] for which stacking is observed both between the TCNE anion and the (C5Me5) ligand and between anthracene fragments. The Fe(II) complexes display MLCT transitions in the 550-650 nm range while LMCT transitions can be observed in the 600-850 nm spectral range for the Fe(III) complexes. The Fe(II) and Fe(III) complexes exhibit weak luminescence property derived from the alkynyl anthracene units. Both Fe(II) and Fe(III) moieties can quench the ligand-centered emission by two different mechanisms. © 2008 American Chemical Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/organometallicsen_HK
dc.relation.ispartofOrganometallicsen_HK
dc.titleSyntheses, structures, and properties of some piano-stool iron acetylides bearing a functional anthracenyl groupen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0276-7333&volume=27&spage=1912&epage=1923&date=2008&atitle=Syntheses,+Structures,+and+Properties+of+Some+Piano-stool+Iron+Acetylides+Bearing+a+Functional+Anthracenyl+Groupen_HK
dc.identifier.emailYam, VWW:wwyam@hku.hken_HK
dc.identifier.authorityYam, VWW=rp00822en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/om701278een_HK
dc.identifier.scopuseid_2-s2.0-43249086264en_HK
dc.identifier.hkuros147551en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-43249086264&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume27en_HK
dc.identifier.issue8en_HK
dc.identifier.spage1912en_HK
dc.identifier.epage1923en_HK
dc.identifier.isiWOS:000254981000033-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridDe Montigny, F=6602766729en_HK
dc.identifier.scopusauthoridArgouarch, G=6508136293en_HK
dc.identifier.scopusauthoridRoisnel, T=7003907744en_HK
dc.identifier.scopusauthoridToupet, L=35601620300en_HK
dc.identifier.scopusauthoridLapinte, C=7003303949en_HK
dc.identifier.scopusauthoridLam, SCF=7402279761en_HK
dc.identifier.scopusauthoridTao, CH=7102146421en_HK
dc.identifier.scopusauthoridYam, VWW=18539304700en_HK

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