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Article: Spectroscopy and X-ray crystal structure of luminescent Pt2(dppm)2(CN)4 [dppm = bis(diphenylphosphino)methane]

TitleSpectroscopy and X-ray crystal structure of luminescent Pt2(dppm)2(CN)4 [dppm = bis(diphenylphosphino)methane]
Authors
Issue Date1989
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/ic
Citation
Inorganic Chemistry, 1989, v. 28 n. 15, p. 2908-2910 How to Cite?
AbstractThe reaction of Pt(CN)2·xH2O with dppm [bis(diphenylphosphino)methane] in refluxing dimethylformamide (DMF) yielded Pt2(dppm)2(CN)4. The X-ray structure of this binuclear platinum(II) complex has been determined: Pt2(dppm)2(CN)4·2DMF, space group P21/n, Z = 2, a = 11.561 (1) Å, b = 17.475 (1) Å, c = 13.981 (5) Å, β = 95.34 (2)°. The Pt2(dppm)2(CN)4 molecule adopts the trans,trans geometry and consists of two platinum atoms bridged by two dppm groups, with two trans cyanide ions bonded to each platinum atom. The measured Pt⋯Pt distance is 3.301 (1) Å, indicative of a weak Pt⋯Pt bonding interaction. The UV-vis absorption spectrum of methanolic solutions of Pt2(dppm)2(CN)4 exhibits an intense band at 324 nm (εmax 10 500) and a weak band at ca. 390 nm, assigned to the 1A1g → 1B1u and 1A1g → 3B1u transitions, respectively. Excitation of Pt2-(dppm)2(CN)4 at 324 nm in degassed methanol leads to an intense emission at 425 nm with a shoulder at ca. 530 nm. The room-temperature triplet lifetime has been found to be 0.23 μs in degassed methanol. © 1989 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/167318
ISSN
2015 Impact Factor: 4.82
2015 SCImago Journal Rankings: 1.873
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChe, CMen_HK
dc.contributor.authorYam, VWWen_HK
dc.contributor.authorWong, WTen_HK
dc.contributor.authorLai, TFen_HK
dc.date.accessioned2012-10-08T03:05:36Z-
dc.date.available2012-10-08T03:05:36Z-
dc.date.issued1989en_HK
dc.identifier.citationInorganic Chemistry, 1989, v. 28 n. 15, p. 2908-2910en_HK
dc.identifier.issn0020-1669en_HK
dc.identifier.urihttp://hdl.handle.net/10722/167318-
dc.description.abstractThe reaction of Pt(CN)2·xH2O with dppm [bis(diphenylphosphino)methane] in refluxing dimethylformamide (DMF) yielded Pt2(dppm)2(CN)4. The X-ray structure of this binuclear platinum(II) complex has been determined: Pt2(dppm)2(CN)4·2DMF, space group P21/n, Z = 2, a = 11.561 (1) Å, b = 17.475 (1) Å, c = 13.981 (5) Å, β = 95.34 (2)°. The Pt2(dppm)2(CN)4 molecule adopts the trans,trans geometry and consists of two platinum atoms bridged by two dppm groups, with two trans cyanide ions bonded to each platinum atom. The measured Pt⋯Pt distance is 3.301 (1) Å, indicative of a weak Pt⋯Pt bonding interaction. The UV-vis absorption spectrum of methanolic solutions of Pt2(dppm)2(CN)4 exhibits an intense band at 324 nm (εmax 10 500) and a weak band at ca. 390 nm, assigned to the 1A1g → 1B1u and 1A1g → 3B1u transitions, respectively. Excitation of Pt2-(dppm)2(CN)4 at 324 nm in degassed methanol leads to an intense emission at 425 nm with a shoulder at ca. 530 nm. The room-temperature triplet lifetime has been found to be 0.23 μs in degassed methanol. © 1989 American Chemical Society.en_HK
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/icen_HK
dc.relation.ispartofInorganic Chemistryen_HK
dc.titleSpectroscopy and X-ray crystal structure of luminescent Pt2(dppm)2(CN)4 [dppm = bis(diphenylphosphino)methane]en_HK
dc.typeArticleen_HK
dc.identifier.emailChe, CM: cmche@hku.hken_HK
dc.identifier.emailYam, VWW: wwyam@hku.hken_HK
dc.identifier.emailWong, WT: wtwong@hku.hken_HK
dc.identifier.authorityChe, CM=rp00670en_HK
dc.identifier.authorityYam, VWW=rp00822en_HK
dc.identifier.authorityWong, WT=rp00811en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1021/ic00314a007-
dc.identifier.scopuseid_2-s2.0-0001053950en_HK
dc.identifier.volume28en_HK
dc.identifier.issue15en_HK
dc.identifier.spage2908en_HK
dc.identifier.epage2910en_HK
dc.identifier.isiWOS:A1989AH90000007-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChe, CM=7102442791en_HK
dc.identifier.scopusauthoridYam, VWW=18539304700en_HK
dc.identifier.scopusauthoridWong, WT=7403973084en_HK
dc.identifier.scopusauthoridLai, TF=7202203523en_HK

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