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Gas-phase NMR measurements, absolute shielding scales, and magnetic dipole moments of 29Si and 73Ge nuclei

被引：30
作者：
Makulski, W.
Jackowski, K.
Antusek, A.
Jaszunski, M.
机构：
[1] Univ Warsaw, Dept Chem, Lab NMR Spect, PL-02093 Warsaw, Poland
[2] Polish Acad Sci, Inst Organ Chem, PL-01224 Warsaw, Poland
[3] Slovak Univ Technol Bratislava, Fac Mat Sci & Technol Trnava, Trnava 91724, Slovakia
来源：
JOURNAL OF PHYSICAL CHEMISTRY A | 2006年 / 110卷 / 40期
关键词：
D O I：
10.1021/jp062557s
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
New gas-phase NMR measurements of the shielding constants of Si-29, Ge-73, and H-1 nuclei in SiH4 and GeH4 are reported. The results, extrapolated to zero density, provide accurate isolated molecule values, best suited for comparison with theoretical calculations. Using the recent ab initio results for these molecules and the measured chemical shifts, we determine the absolute shielding scales for Si-29 and Ge-73. This allows us to provide new values of the nuclear magnetic dipole moments for these two nuclei; in addition, we examine the dipole moments of C-13 and Sn-119.
引用
收藏
页码：11462 / 11466
页数：5
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