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An empirical correlation between chemical shift and xenon-129 coupling in xenon fluorides

โœ Scribed by H.D. Frame

Book ID
103013200
Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
77 KB
Volume
3
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

A graph of the I29Xe-I9F

coupling constant as a function of the I9F chemic.al shift for the xenon fluorides and oxs-fluorides provides an empirical explanation for the lack of an observed coupling in XeF6.

๐Ÿ“œ SIMILAR VOLUMES

129Xe NMR of xenon adsorbed on zeolites:
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โœ J. Demarquay; J. Fraissard ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 428 KB

experiments we have determined values of the mean free path 1 of xenon adsorbed on various zeolites. We deduce from them the dependence of the chemical shift S on 1. It is now possible to determine the dimensions of any cavity in which xenon can be adsorbed.

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The adsorption isotherms and lz9Xe NMR chemical shifts of xenon in the voids of zeolite Y with O%, 53%, 75%, and 95% exchange of copper (II) for sodium ions were determined. With increasing copper content the shifts go uptield. The local chemical shifts of xenon at a crystallographic SII site with a