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Solid-state 2H NMR study of the dynamics of the methoxy groups in perdeuteriated bis(dimethoxythiophosphoryl) disulphide

✍ Scribed by Marek J. Potrzebowski

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
442 KB
Volume
30
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

^2^H solid‐state NMR was employed to study the statio and dynamic properties of perdeuteriated bis(dimethoxythiophosphoryl) disulphide. It was found that sample preparation has a significant influence on the line shapes of the broad‐line solid‐state spectra. It was concluded from inversion–recovery experiments that the methyl groups are in the fast exchange regime, τ~c~ < 10^−s^ s. The three‐site jump model, with reorientation of the methyl group about a C~3~ symmetry, was assumed as the best explanation of the T~1~ anisotropy. The apparent activation energy calculated from an Arrhenius plot was found to be 5.35 kJ mol^−1^.

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