A novel version of lhe radiofrequcncy labeling method is described, which possesses essentkl advantages over the recently proposed method of "mturalion transfer". The conditions necessary for realization of Ihis method arc discussed. The USC of the method is exemplified by an investigntion of a reac
Radiofrequency labelling of molecules in chemical reactions
โ Scribed by R.Z. Sagdeev; T.V. Leshina; N.E. Polyakov; V.I. Maryasova; V.A. Yurkovskaya; A.A. Obynochny
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 433 KB
- Volume
- 96
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
A method of radlofrequency labellin_r of molecules in chemical reactions has been proposed. It is based on selective RF pumpmg of molecules and on tracing rhe transformation of rhis label in the reaction products by the NYR spectra. Appli-Z.IIIOIIS of this merhod in srudying one-\rdy reaction mechanisms are illustrated by some experimental examples.
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The symmetry group of a nonrigid molecule is related to that of the transition structure that is related to the rearrangement process which contributes to the ''nonrigidity'' of the molecular system. The resulting permutationrrotationrreflection groups for nonrigid molecules can be much larger in or