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Article: Spectroscopy, photophysical properties and crystal structures of luminescent diplatinum(I) complexes of bis(diphenylphosphino)methane

TitleSpectroscopy, photophysical properties and crystal structures of luminescent diplatinum(I) complexes of bis(diphenylphosphino)methane
Authors
Issue Date1993
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, 1993 n. 1, p. 179-187 How to Cite?
AbstractThe reactions of quinoline (quin), 1-methylimidazole (mim), 4-tert-butylpyridine (4But-py) and 2,4,6-trimethylpyridine (tmpy) with [Pt2(dppm)2Cl2] in methanol yielded [Pt2(dppm)(quin)2]2+, [Pt2(dppm)2(mim)2]2+, [Pt2(dppm)2(4But-py)2]2+ and [Pt2(dppm)2(tmpy)Cl]+, respectively. The complexes were isolated as either hexafluorophosphate or perchlorate salts. The crystallographically measured intramolecular Pt-Pt distances are 2.615(1), 2.580(1) and 2.627(2) Å for [Pt2(dppm)2(quin)2]2+, [Pt2(dppm)2(mim)2]2+ and [Pt2(dppm)2(tmpy)Cl]+ respectively, indicating the presence of a single Pt-Pt bond. The 1H and 31P NMR spectra of the complexes have been recorded. Solution UV/VIS spectra of the four new complexes as well as those of [Pt2(dppm)2(PPh3)2][PF 6]2 and [Pt2(dppm)2(py)2][PF6]2 (py = pyridine) were recorded. The lowest-energy absorption band is assigned to a 1(dπ* → dσ*) transition. All of the diplatinum(I) complexes display solid-state luminescence at room temperature and at 77 K with long emission lifetimes.
Persistent Identifierhttp://hdl.handle.net/10722/168231
ISSN
2002 Impact Factor: 3.023
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYip, HKen_US
dc.contributor.authorChe, CMen_US
dc.contributor.authorPeng, SMen_US
dc.date.accessioned2012-10-08T03:16:30Z-
dc.date.available2012-10-08T03:16:30Z-
dc.date.issued1993en_US
dc.identifier.citationJournal Of The Chemical Society, Dalton Transactions, 1993 n. 1, p. 179-187en_US
dc.identifier.issn1472-7773en_US
dc.identifier.urihttp://hdl.handle.net/10722/168231-
dc.description.abstractThe reactions of quinoline (quin), 1-methylimidazole (mim), 4-tert-butylpyridine (4But-py) and 2,4,6-trimethylpyridine (tmpy) with [Pt2(dppm)2Cl2] in methanol yielded [Pt2(dppm)(quin)2]2+, [Pt2(dppm)2(mim)2]2+, [Pt2(dppm)2(4But-py)2]2+ and [Pt2(dppm)2(tmpy)Cl]+, respectively. The complexes were isolated as either hexafluorophosphate or perchlorate salts. The crystallographically measured intramolecular Pt-Pt distances are 2.615(1), 2.580(1) and 2.627(2) Å for [Pt2(dppm)2(quin)2]2+, [Pt2(dppm)2(mim)2]2+ and [Pt2(dppm)2(tmpy)Cl]+ respectively, indicating the presence of a single Pt-Pt bond. The 1H and 31P NMR spectra of the complexes have been recorded. Solution UV/VIS spectra of the four new complexes as well as those of [Pt2(dppm)2(PPh3)2][PF 6]2 and [Pt2(dppm)2(py)2][PF6]2 (py = pyridine) were recorded. The lowest-energy absorption band is assigned to a 1(dπ* → dσ*) transition. All of the diplatinum(I) complexes display solid-state luminescence at room temperature and at 77 K with long emission lifetimes.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.titleSpectroscopy, photophysical properties and crystal structures of luminescent diplatinum(I) complexes of bis(diphenylphosphino)methaneen_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.doi10.1039/DT9930000179en_US
dc.identifier.scopuseid_2-s2.0-37049084466en_US
dc.identifier.issue1en_US
dc.identifier.spage179en_US
dc.identifier.epage187en_US
dc.identifier.isiWOS:A1993KG40500026-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYip, HK=15068942100en_US
dc.identifier.scopusauthoridChe, CM=7102442791en_US
dc.identifier.scopusauthoridPeng, SM=35464852200en_US

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