1H NMR study of molecular dynamics of acetylcholine chloride

被引：0
|
作者：
J. Świergiel
N. Piślewski
W. Medycki
K. Hołderna-Natkaniec
F. Milia
机构：
[1] Adam Mickiewicz University,Department of Physics
[2] Polish Academy of Sciences,Institute of Molecular Physics
[3] Aghia Paraskevi Attikis,NCSR “Demokritos”, Institute of Materials Science
来源：
Applied Magnetic Resonance | 2004年 / 26卷
关键词：
Choline Chloride; Nuclear Magnetic Reso; Nuclear Magnetic Resonance Line; Threefold Symmetry; Hydrogen Position;
D O I：
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中图分类号：
学科分类号：
摘要：
The longitudinal relaxation timeT1 and the second momentM2 of1H 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)H3 about the threefold symmetry axis. The second type was the reorientation of the trimethyl group-N(CH3)3 around the pseudo C3′ axis of C(6)-N(7) bond, which accompanied the standard C3 motion of the methyl group. The Dunn-McDowell model was applied to analyze the dynamics observed.
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页码：357 / 364
页数：7
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