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Article: Luminescent platinum(II) complexes. Electronic spectroscopy of platinum(II) complexes of 2,2′:6′,2″-terpyridine (terpy) and p-substituted phenylterpyridines and crystal structure of [pt(terpy)Cl][CF3SO3]
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TitleLuminescent platinum(II) complexes. Electronic spectroscopy of platinum(II) complexes of 2,2′:6′,2″-terpyridine (terpy) and p-substituted phenylterpyridines and crystal structure of [pt(terpy)Cl][CF3SO3]
 
AuthorsYip, HK1
Cheng, LK1
Cheung, KK1
Che, CM1
 
Issue Date1993
 
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton
 
CitationJournal Of The Chemical Society, Dalton Transactions, 1993 n. 19, p. 2933-2938 [How to Cite?]
DOI: http://dx.doi.org/10.1039/DT9930002933
 
AbstractThe complexes [Pt(terpy)L′]n+ (terpy = 2,2′:6′,2″-terpyridine; L′ = Cl, Br, I, N3 or SCN-, n = 1; L′ = NH3, n = 2) have been prepared and their spectroscopic and emission properties studied. Absorption bands are found at 300-350 and at 370-450 nm, which are assigned to the intraligand and metal-to-ligand change-transfer (m.l.c.t.) transitions, respectively. The complexes [Pt(4′R-terpy)Cl]ClO4 (R′ = C6H4OMe-p,C6H4Me-p, C6H4Br-p or C6H4CN-p) were prepared by the reaction of K2[PtCl4] with 4′R-terpy in water-MeCN. Unlike [Pt(terpy)L′]n+ which show emission in the solid state only, [Pt(4′R-terpy)Cl]+ display 3m.l.c.t. emission in fluid solution at room temperature. The crystal structure of [Pt(terpy)Cl][CF3SO3] has been determined: monoclinic, space group P21/n, a = 13.808(4), b = 6.873(1), c = 19.477(5) Å, β = 105.54(2)°, and Z = 4. In the unit cell, two [Pt(terpy)Cl]+ cations stack in a head-to-tail fashion with an intermolecular Pt ⋯ Pt distance of 3.329(1) Å. The solid-state emission of [Pt(terpy)Cl][CF3SO3] is similar to that of the 3(dσ*πb) emission of the dinuclear complex [Pt2(terpy)2L][ClO4]3 (L = guadinate) having intramolecular Pt ⋯ Pt separations of 3.090(1) and 3.071(1) Å.
 
ISSN1472-7773
 
DOIhttp://dx.doi.org/10.1039/DT9930002933
 
DC FieldValue
dc.contributor.authorYip, HK
 
dc.contributor.authorCheng, LK
 
dc.contributor.authorCheung, KK
 
dc.contributor.authorChe, CM
 
dc.date.accessioned2012-10-08T03:12:27Z
 
dc.date.available2012-10-08T03:12:27Z
 
dc.date.issued1993
 
dc.description.abstractThe complexes [Pt(terpy)L′]n+ (terpy = 2,2′:6′,2″-terpyridine; L′ = Cl, Br, I, N3 or SCN-, n = 1; L′ = NH3, n = 2) have been prepared and their spectroscopic and emission properties studied. Absorption bands are found at 300-350 and at 370-450 nm, which are assigned to the intraligand and metal-to-ligand change-transfer (m.l.c.t.) transitions, respectively. The complexes [Pt(4′R-terpy)Cl]ClO4 (R′ = C6H4OMe-p,C6H4Me-p, C6H4Br-p or C6H4CN-p) were prepared by the reaction of K2[PtCl4] with 4′R-terpy in water-MeCN. Unlike [Pt(terpy)L′]n+ which show emission in the solid state only, [Pt(4′R-terpy)Cl]+ display 3m.l.c.t. emission in fluid solution at room temperature. The crystal structure of [Pt(terpy)Cl][CF3SO3] has been determined: monoclinic, space group P21/n, a = 13.808(4), b = 6.873(1), c = 19.477(5) Å, β = 105.54(2)°, and Z = 4. In the unit cell, two [Pt(terpy)Cl]+ cations stack in a head-to-tail fashion with an intermolecular Pt ⋯ Pt distance of 3.329(1) Å. The solid-state emission of [Pt(terpy)Cl][CF3SO3] is similar to that of the 3(dσ*πb) emission of the dinuclear complex [Pt2(terpy)2L][ClO4]3 (L = guadinate) having intramolecular Pt ⋯ Pt separations of 3.090(1) and 3.071(1) Å.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citationJournal Of The Chemical Society, Dalton Transactions, 1993 n. 19, p. 2933-2938 [How to Cite?]
DOI: http://dx.doi.org/10.1039/DT9930002933
 
dc.identifier.doihttp://dx.doi.org/10.1039/DT9930002933
 
dc.identifier.epage2938
 
dc.identifier.issn1472-7773
 
dc.identifier.issue19
 
dc.identifier.scopuseid_2-s2.0-11244290038
 
dc.identifier.spage2933
 
dc.identifier.urihttp://hdl.handle.net/10722/167880
 
dc.languageeng
 
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofJournal of the Chemical Society, Dalton Transactions
 
dc.titleLuminescent platinum(II) complexes. Electronic spectroscopy of platinum(II) complexes of 2,2′:6′,2″-terpyridine (terpy) and p-substituted phenylterpyridines and crystal structure of [pt(terpy)Cl][CF3SO3]
 
dc.typeArticle
 
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<item><contributor.author>Yip, HK</contributor.author>
<contributor.author>Cheng, LK</contributor.author>
<contributor.author>Cheung, KK</contributor.author>
<contributor.author>Che, CM</contributor.author>
<date.accessioned>2012-10-08T03:12:27Z</date.accessioned>
<date.available>2012-10-08T03:12:27Z</date.available>
<date.issued>1993</date.issued>
<identifier.citation>Journal Of The Chemical Society, Dalton Transactions, 1993 n. 19, p. 2933-2938</identifier.citation>
<identifier.issn>1472-7773</identifier.issn>
<identifier.uri>http://hdl.handle.net/10722/167880</identifier.uri>
<description.abstract>The complexes [Pt(terpy)L&#8242;]n+ (terpy = 2,2&#8242;:6&#8242;,2&#8243;-terpyridine; L&#8242; = Cl, Br, I, N3 or SCN-, n = 1; L&#8242; = NH3, n = 2) have been prepared and their spectroscopic and emission properties studied. Absorption bands are found at 300-350 and at 370-450 nm, which are assigned to the intraligand and metal-to-ligand change-transfer (m.l.c.t.) transitions, respectively. The complexes [Pt(4&#8242;R-terpy)Cl]ClO4 (R&#8242; = C6H4OMe-p,C6H4Me-p, C6H4Br-p or C6H4CN-p) were prepared by the reaction of K2[PtCl4] with 4&#8242;R-terpy in water-MeCN. Unlike [Pt(terpy)L&#8242;]n+ which show emission in the solid state only, [Pt(4&#8242;R-terpy)Cl]+ display 3m.l.c.t. emission in fluid solution at room temperature. The crystal structure of [Pt(terpy)Cl][CF3SO3] has been determined: monoclinic, space group P21/n, a = 13.808(4), b = 6.873(1), c = 19.477(5) &#197;, &#946; = 105.54(2)&#176;, and Z = 4. In the unit cell, two [Pt(terpy)Cl]+ cations stack in a head-to-tail fashion with an intermolecular Pt &#8943; Pt distance of 3.329(1) &#197;. The solid-state emission of [Pt(terpy)Cl][CF3SO3] is similar to that of the 3(d&#963;*&#960;b) emission of the dinuclear complex [Pt2(terpy)2L][ClO4]3 (L = guadinate) having intramolecular Pt &#8943; Pt separations of 3.090(1) and 3.071(1) &#197;.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong