1H/2H-Dimethyl Sulfone as a Convenient Standard for Setting the Hartmann-Hahn Match in 1H-2H CP/MAS NMR

A physical mixture of powders and a molten mixture of 1H- and 2H-dimethyl sulfones were used to set the Hartmann-Hahn match in 1H-2H CP/MAS NMR. There is no increase of spectral intensity for a mixture of powdered 1H- and 2H-sulfones compared with the MAS spectrum of pure 2H sulfone, but a considera...

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Bibliographic Details
Published inJournal of magnetic resonance. Series A Vol. 114; no. 1; pp. 70 - 72
Main Authors Potrzebowski, M.J., Wasiak, J., Ciesielski, W., Klinowski, J.
Format Journal Article
LanguageEnglish
Published Orlando, FL Elsevier Inc 01.05.1995
Academic Press
Subjects
Atomic and molecular physics
Exact sciences and technology
Molecular properties and interactions with photons
Nuclear resonance and relaxation
Physics
Magic angle
Deuterium
Hydrogen 1
Disulfides
Cross polarization
Organic phosphorus compounds
Solid phase
NMR spectra
Experimental study
Sulfones
Organic compounds
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Summary:A physical mixture of powders and a molten mixture of 1H- and 2H-dimethyl sulfones were used to set the Hartmann-Hahn match in 1H-2H CP/MAS NMR. There is no increase of spectral intensity for a mixture of powdered 1H- and 2H-sulfones compared with the MAS spectrum of pure 2H sulfone, but a considerable increase is found for the mixed melt and for bis[tert-butyl(phenyl-d5) thiophosphoryl] disulfide. 1H-2H CP/MAS offers increased signal intensity, shortens the accumulation time, and, in addition, provides a direct measure of the homogeneity of solids on a molecular level.
ISSN:1064-1858
1096-0864
DOI:10.1006/jmra.1995.1106