MAGNETIC RESONANCE LINESHAPE AND CHEMICAL SHIFT OF MOLECULES IN CLATHRATES

被引:13
作者
MCTAGUE, JP
机构
[1] Science Center, North American Rockwell Corporation, Thousand Oaks
关键词
D O I
10.1063/1.1670822
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
Proton magnetic resonance spectra of small molecules in hydroquinone clathrate cages have been observed. Despite the fact that diffusion is a very slow process in these systems, lines were sufficiently narrow (<100 Hz) to observe separate resonances corresponding to chemically shifted protons. The observed line shape, which is not Lorentzian, has been related to anisotropic orientational probability of the enclathrated molecule within the crystalline potential. The degree of alignment found for H2S at room temperature is ∼6×10-4.
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页码:47 / &
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