NMR frequency and magnetic dipole moment of 3He nucleus

被引：30
作者：
Jackowski, Karol [2 ]
Jaszunski, Michal [1 ]
Kamienski, Bohdan [1 ]
Wilczek, Marcin [2 ]
机构：
[1] Polish Acad Sci, Inst Organ Chem, PL-01224 Warsaw, Poland
[2] Warsaw Univ, Fac Chem, Lab NMR Spect, PL-02093 Warsaw, Poland
来源：
JOURNAL OF MAGNETIC RESONANCE | 2008年 / 193卷 / 01期
关键词：
helium-3; resonance; absolute shielding constants; nuclear magnetic moment;
D O I：
10.1016/j.jmr.2008.04.005
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
We present new gas-phase NMR spectra which relate the resonance frequency of He-3 nucleus to the resonance frequency of the proton in tetra methylsilane (TMS). We discuss the dependence of He-3 resonance frequency on the density of the solvent gas, and we consider in detail the absolute shielding scales of both nuclei. Finally, we analyse the accuracy of the results, using the relationship between the resonance frequencies, absolute shielding constants and magnetic dipole moments of H-1 and He-3 nuclei. (c) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码：147 / 149
页数：3
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