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Article: Spectroscopy, photophysical properties, and X-ray crystal structure of platinum(II) complexes of quaterpyridine

TitleSpectroscopy, photophysical properties, and X-ray crystal structure of platinum(II) complexes of quaterpyridine
Authors
Issue Date1992
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/ic
Citation
Inorganic Chemistry, 1992, v. 31 n. 23, p. 4874-4878 How to Cite?
AbstractTwo novel platinum quaterpyridine complexes have been synthesized and characterized by 1H NMR spectroscopy and X-ray crystallography: [Pt(pQP)](ClO4)2 (pQP = 3″,5,5′,5‴-tetramethyl-2,2′:6′,2″:6″, 2‴-quaterpyridine), monoclinic C2/c, a = 14.276 (2) Å, b = 12.970 (2) Å, c = 14.257 (1) Å, β = 102.29 (1)°, V = 2579.2 (6) Å3, Z = 4; [Pt(QP)](ClO4)2 (QP = 2,2′:6′,2″:6″,2‴-quaterpyridine), monoclinic P21, a = 5.904 (3) Å, b = 12.943 (2) Å, c = 14.300 (4) Å, β = 100.70 (4)°, V = 1073.7 (6) Å3, Z = 2. The shortest intermolecular Pt-Pt distances in [Pt(pQP)](ClO4)2 and [Pt(QP)](ClO4)2 are 7.249 (2) and 5.904 Å, respectively. Both complexes exhibit photoluminescence in the solid state at 700 nm. Only [Pt(pQP)]2+ shows room-temperature emission in acetonitrile (φf = 0.026 ± 0.001, lifetime at infinite dilution = 7.0 ± 0.6 μs, self-quenching rate constant = 2.9 ± 0.4 × 108 M-1 s-1). The excited state of [Pt(pQP)]2+ is a powerful oxidant with an E° value of about 2.3 V vs NHE. © 1992 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/167335
ISSN
2015 Impact Factor: 4.82
2015 SCImago Journal Rankings: 1.873

 

DC FieldValueLanguage
dc.contributor.authorChan, CWen_US
dc.contributor.authorChe, CMen_US
dc.contributor.authorCheng, MCen_US
dc.contributor.authorWang, Yen_US
dc.date.accessioned2012-10-08T03:05:45Z-
dc.date.available2012-10-08T03:05:45Z-
dc.date.issued1992en_US
dc.identifier.citationInorganic Chemistry, 1992, v. 31 n. 23, p. 4874-4878en_US
dc.identifier.issn0020-1669en_US
dc.identifier.urihttp://hdl.handle.net/10722/167335-
dc.description.abstractTwo novel platinum quaterpyridine complexes have been synthesized and characterized by 1H NMR spectroscopy and X-ray crystallography: [Pt(pQP)](ClO4)2 (pQP = 3″,5,5′,5‴-tetramethyl-2,2′:6′,2″:6″, 2‴-quaterpyridine), monoclinic C2/c, a = 14.276 (2) Å, b = 12.970 (2) Å, c = 14.257 (1) Å, β = 102.29 (1)°, V = 2579.2 (6) Å3, Z = 4; [Pt(QP)](ClO4)2 (QP = 2,2′:6′,2″:6″,2‴-quaterpyridine), monoclinic P21, a = 5.904 (3) Å, b = 12.943 (2) Å, c = 14.300 (4) Å, β = 100.70 (4)°, V = 1073.7 (6) Å3, Z = 2. The shortest intermolecular Pt-Pt distances in [Pt(pQP)](ClO4)2 and [Pt(QP)](ClO4)2 are 7.249 (2) and 5.904 Å, respectively. Both complexes exhibit photoluminescence in the solid state at 700 nm. Only [Pt(pQP)]2+ shows room-temperature emission in acetonitrile (φf = 0.026 ± 0.001, lifetime at infinite dilution = 7.0 ± 0.6 μs, self-quenching rate constant = 2.9 ± 0.4 × 108 M-1 s-1). The excited state of [Pt(pQP)]2+ is a powerful oxidant with an E° value of about 2.3 V vs NHE. © 1992 American Chemical Society.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/icen_US
dc.relation.ispartofInorganic Chemistryen_US
dc.titleSpectroscopy, photophysical properties, and X-ray crystal structure of platinum(II) complexes of quaterpyridineen_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.scopuseid_2-s2.0-0001274667en_US
dc.identifier.volume31en_US
dc.identifier.issue23en_US
dc.identifier.spage4874en_US
dc.identifier.epage4878en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChan, CW=7404814723en_US
dc.identifier.scopusauthoridChe, CM=7102442791en_US
dc.identifier.scopusauthoridCheng, MC=13307876400en_US
dc.identifier.scopusauthoridWang, Y=36072665800en_US

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