1H NMR study of molecular dynamics of acetylcholine chloride

被引：4
|
作者：
Swiergiel, J
Pislewski, N
Medycki, W
Holderna-Natkaniec, K
Milia, F
机构：
[1] Polish Acad Sci, Inst Mol Phys, PL-60179 Poznan, Poland
[2] Adam Mickiewicz Univ, Dept Phys, Poznan, Poland
[3] NCSR Demokritos, Inst Sci Mat, Athens, Greece
来源：
APPLIED MAGNETIC RESONANCE | 2004年 / 26卷 / 03期
关键词：
D O I：
10.1007/BF03166808
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The longitudinal relaxation time T-1 and the second moment M-2 of H-1 nuclear magnetic resonance line in a wide temperature range have been measured for acetylcholine chloride. Two different types of the methyl groups reorientation occurred. The first type was the hindered rotation of the methyl group denoted as C(1)H-3 about the threefold symmetry axis. The second type was the reorientation of the trimethyl group -N(CH3)(3) around the pseudo C-3' axis of C(6)-N(7) bond, which accompanied the standard C-3 motion of the methyl group. The Dunn-McDowell model was applied to analyze the dynamics observed.
引用
收藏
页码：357 / 364
页数：8
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