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13C NMR relaxation study on molecular motion ofn-alkane chains in the rotator phase

Authors
Journal
Journal of Molecular Structure
0022-2860
Publisher
Elsevier
Publication Date
Volume
273
Identifiers
DOI: 10.1016/0022-2860(92)87088-d

Abstract

Abstract The 13C spin-lattice relaxation times ( T 1 s) of n-C 32H 66 were measured in the crystalline state, rotator phase and melting state, in order to clarify the molecular motion of the rotator phase. From these results it was found that in the rotator phase every methylene carbon has almost the same value of T 1. This indicates that all-trans zigzag chains in the rotator phase rotate rapidly about their long axes.

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