The Ordered Phase of p-Chloronitrobenzene Studied by Raman Spectroscopy

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概要

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• p-Chloronitrobenzene exhibit an order-disorder phase transition at 282K. The high tenaperattrre disordered phase has P21 /c sytnnaetry xvith txvo taaolectrles per trnit cell. A statisticallycentrosytnunetric array restmlts from the sttjcerposition of molectrles occtrpying regtrlar latticesites btrt facing rsrndomly opposite directions. The ordered IOXV temperattrre phase strtrctturecould not be resolved yet. In the present work, Ranaan spectroscopy tneasuretaaents were carriedout as a function of temperattrre in the r?rnge 5 K -300 K in ordered and disordered phases of p-chloronitrobenzene. Syuaarnetry information o['the ordered trnknown phase was obtained. A corn-parison of experirnental results with Raman spectra of p-dihalobenzenes and p-dinitrobenzenehas been carried out and possible raaoIecul?tr arrangetaaents are discussed throttgh lattice dynamicscalculations.

• 社団法人日本物理学会の論文
• 1998-04-15

著者

• Schneider J

  Instituto De Fisica De Sao Carlos Usp Sp Bra

• L.A.de O.NUNES

  Instituto de Fisica de Sao Carlos,Universidade de Sao Paulo

• H BRUNETTI

  FaMAF,Universidad Nacional de Cordoba,Medina Allende y Haya de la Torre,Ciudad Universitaria

• H Brunetti

  Famaf Universidad Nacional De Cordoba Medina Allende Y Haya De La Torre Ciudad Universitaria

• L.a.de O.nunes

  Instituto De Fisica De Sao Carlos Universidade De Sao Paulo

• Meriles C.A.

  FaMAF,Universidad Nacional de Cordoba,Medina Allende y Haya de la Torre,Ciudad Universitaria

• Schneider J.

  FaMAF,Universidad Nacional de Cordoba,Medina Allende y Haya de la Torre,Ciudad Universitaria

• Nunes L.A.de

  Instituto de Fisica de Sao Carlos,Universidade de Sao Paulo

• Meriles C

  Astronomia Y Fisica Unc Cordoba Arg

関連論文

• The Ordered Phase of p-Chloronitrobenzene Studied by Raman Spectroscopy

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