X-ray study of the rotator phase of paraffins (III): Even-numbered paraffins C18H38, C2H42, C22H46, C24H5, and C26H54

• I. Denicolò

  Departmento de Fisica, Universidade de Santa Catarina, 88000 Florianopolis, Brazil

• J. Doucet

  Laboratoire de Physique des Solides associé au C.N.R.S., Bátiment 510, Université Paris Sud, 91405 Orsay, France

• A. F. Craievich

  Instituto de Fisica e Química de São Carlos, Universidade de São Paulo, 13560 São Carlos, Brazil

抄録

We present here a study of the ‘‘rotator’’ phase displayed by the even-numbered paraffins CnH2n+2 with n ranging from 22 to 26. We also include a few data and discussions about the crystalline phases of the even-numbered compounds with n ranging from 18 to 26. The rotator phase of these compounds is characterized by a bilayer packing with the molecular axes perpendicular to the layer planes and within each layer the packing is hexagonal. The three-dimensional space group seems to be P (63/m) mc. Finally we propose an explanation accounting for the differences between the structures of the rotator phases exhibited by the even-numbered compounds and the odd-numbered compounds.

収録刊行物

• The Journal of Chemical Physics

  The Journal of Chemical Physics 78 (3), 1465-1469, 1983-02-01

  AIP Publishing

キーワード

• Physical and Theoretical Chemistry
• General Physics and Astronomy

詳細情報

• CRID: 1364233269957320448
• NII論文ID: 30015679403
• DOI: 10.1063/1.444835
• ISSN: 10897690
• ISSN: 00219606
• Web Site: https://pubs.aip.org/aip/jcp/article-pdf/78/3/1465/18940079/1465_1_online.pdf
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