Kerr constants of some nitrogen-containing heterocycles
β Scribed by A. E. Lutskii; L. B. Vasilenko; V. T. Chalyi; N. N. Ivanova
- Book ID
- 112329219
- Publisher
- Springer US
- Year
- 1971
- Tongue
- English
- Weight
- 173 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0009-3122
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π SIMILAR VOLUMES
Spin-spin coupling between 14N and "C nuclei is observed in NMR spectra of some quaternary ammonium compounds, including a series of heterocyclic cations. 'J values are in the range 2.24.2 Hz. Instances of coupling through two and three bonds are also reported and these are correlated with "C chemi
The kinetics of the substitution reactions of ion with a series of 3Οͺ Fe(CN) H O 5 2 nitrogen and sulfur containing heterocycles were studied in aqueous media. In the presence of excess ligand, varied over a large range of concentrations, second-order rate constants were calculated at Activation par
Absolute nitrogen screening constants and chemical shifts of some N-heterocycles are calculated within the CNDO/S level of approximation to Pople's model. Satisfactory agreement between calculated and observed nitrogen chemical shifts is obtained in most cases. The application of the results to the