Rotational frequencies of methyl group t
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M.J. Barlow; S. Clough; A.J. Horsewill; M.A. Mohammed
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Article
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1992
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Elsevier Science
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English
β 458 KB
Methyl tunnel frequencies, measured at 4 K, are found to be 455 +/- 8 kHz in methyl malonamide and 496 +/- 8 kHz in methyl ethyl ketone. The first is unaffected by deuteration of the amide groups. Measurements of the temperature dependence of the spin lattice relaxation time are also reported for me