Phase transitions and molecular motions in a model biomembrane (C12H25NH3)2SnCl6

K. W. Lee, C. E. Lee, J. Kim, J. K. Kang

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Two successive phase transitions in bis-n-dodecylammonim hexachlorostannate, (n-C12H25NH3)2SnCl6, were studied by means of 1H NMR. From the temperature dependent dipolar splitting, the low and the high temperature transition were attributed to an order-disorder transition and a conformational transition of the rigid hydrocarbon chain, respectively. The spin-lattice relaxation rate in the low and the intermediate temperature phase was well fitted with four types of molecular motions, and the ammonium group was revealed to dictate the order-disorder transition temperature.

Original languageEnglish
Pages (from-to)185-188
Number of pages4
JournalSolid State Communications
Volume124
Issue number5-6
DOIs
Publication statusPublished - 2002 Oct

Bibliographical note

Funding Information:
This work was supported by the KISTEP (National Research Laboratory) and the Korea Research Foundation (D00064). Measurements at Korea Basic Science Institute are gratefully acknowledged.

Keywords

  • D. Phase transitions
  • E. Nulclear resonances

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry

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