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Article: Translational symmetries in the linear-chain semiconductors K4[Pt2(P2O5H2) 4X]·nH2O (X = Cl, Br, I)

TitleTranslational symmetries in the linear-chain semiconductors K4[Pt2(P2O5H2) 4X]·nH2O (X = Cl, Br, I)
Authors
Issue Date1988
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.html
Citation
Journal Of The American Chemical Society, 1988, v. 110 n. 4, p. 1155-1162 How to Cite?
AbstractThe solid-state structures of the linear-chain semiconductors K4[Pt2(P2O5H2) 4X]·H2O (X = Cl, Br, I), abbreviated Pt2Cl, Pt2Br, and Pt2I, have been studied. The X-ray crystal structures of Pt2Cl at 300 and 22 K and of Pt2Br at 19 K are reported. These structures show that Pt2Cl is a composite of alternating units of Pt2 and Pt2Cl2 with (AABCCB)n translational symmetry. The X-ray structure of Pt2Br, on the other hand, shows equivalent Pt-Pt bonds and two slightly different Pt-Br bonds. Raman data confirm the composite Pt2/Pt2Cl2 structure for Pt2Cl and indicate that the Pt2Br species is comprised of dimeric units with nearly equal Pt-Pt bonds. The Pt2Br structure is viewed as involving a slight distortion from idealized (AAB)n toward (AABCCB)n translational symmetry. Structural studies of Pt2I were attempted; however, all crystals were twinned. Magnetic susceptibility, microwave conductivity, ESCA, and reflectance spectroscopy measurements are reported for Pt2Br; the material is a semiconductor, with σ = 10-3 Ω-1 cm-1 at 300 K, a bandgap of 0.08 eV, and a bandwidth greater than 0.05 eV. © 1988 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/167264
ISSN
2015 Impact Factor: 13.038
2015 SCImago Journal Rankings: 7.123
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorButler, LGen_US
dc.contributor.authorZietlow, MHen_US
dc.contributor.authorChe, CMen_US
dc.contributor.authorSchaefer, WPen_US
dc.contributor.authorSridhar, Sen_US
dc.contributor.authorGrunthaner, PJen_US
dc.contributor.authorSwanson, BIen_US
dc.contributor.authorClark, RJHen_US
dc.contributor.authorGray, HBen_US
dc.date.accessioned2012-10-08T03:05:01Z-
dc.date.available2012-10-08T03:05:01Z-
dc.date.issued1988en_US
dc.identifier.citationJournal Of The American Chemical Society, 1988, v. 110 n. 4, p. 1155-1162en_US
dc.identifier.issn0002-7863en_US
dc.identifier.urihttp://hdl.handle.net/10722/167264-
dc.description.abstractThe solid-state structures of the linear-chain semiconductors K4[Pt2(P2O5H2) 4X]·H2O (X = Cl, Br, I), abbreviated Pt2Cl, Pt2Br, and Pt2I, have been studied. The X-ray crystal structures of Pt2Cl at 300 and 22 K and of Pt2Br at 19 K are reported. These structures show that Pt2Cl is a composite of alternating units of Pt2 and Pt2Cl2 with (AABCCB)n translational symmetry. The X-ray structure of Pt2Br, on the other hand, shows equivalent Pt-Pt bonds and two slightly different Pt-Br bonds. Raman data confirm the composite Pt2/Pt2Cl2 structure for Pt2Cl and indicate that the Pt2Br species is comprised of dimeric units with nearly equal Pt-Pt bonds. The Pt2Br structure is viewed as involving a slight distortion from idealized (AAB)n toward (AABCCB)n translational symmetry. Structural studies of Pt2I were attempted; however, all crystals were twinned. Magnetic susceptibility, microwave conductivity, ESCA, and reflectance spectroscopy measurements are reported for Pt2Br; the material is a semiconductor, with σ = 10-3 Ω-1 cm-1 at 300 K, a bandgap of 0.08 eV, and a bandwidth greater than 0.05 eV. © 1988 American Chemical Society.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.htmlen_US
dc.relation.ispartofJournal of the American Chemical Societyen_US
dc.titleTranslational symmetries in the linear-chain semiconductors K4[Pt2(P2O5H2) 4X]·nH2O (X = Cl, Br, I)en_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.doi10.1021/ja00212a025-
dc.identifier.scopuseid_2-s2.0-0000327108en_US
dc.identifier.volume110en_US
dc.identifier.issue4en_US
dc.identifier.spage1155en_US
dc.identifier.epage1162en_US
dc.identifier.isiWOS:A1988M188300025-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridButler, LG=35480504200en_US
dc.identifier.scopusauthoridZietlow, MH=6507824303en_US
dc.identifier.scopusauthoridChe, CM=7102442791en_US
dc.identifier.scopusauthoridSchaefer, WP=7103192229en_US
dc.identifier.scopusauthoridSridhar, S=15133535100en_US
dc.identifier.scopusauthoridGrunthaner, PJ=6603814696en_US
dc.identifier.scopusauthoridSwanson, BI=7102031525en_US
dc.identifier.scopusauthoridClark, RJH=35519065700en_US
dc.identifier.scopusauthoridGray, HB=36047602600en_US

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