11B, 10B, and 14N nuclear quadrupole double resonance in H3BNH3
✍ Scribed by Albert Lötz; Jürgen Voitländer
- Publisher
- Elsevier Science
- Year
- 1982
- Weight
- 463 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0022-2364
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## Abstract Nitrogen‐14 nuclear quadrupole resonance frequencies at 77 K are reported for a series of carbazole compounds including __N__‐vinylcarbazole. Differences in charge distribution between pyrrole and carbazole are explained on the basis of delocalization of pi electrons. Effects of the ald
## Abstract Nitrogen‐14 nuclear quadrupole resonance (NQR) spectra of nicotinic acid derivatives, known as antitumor agents, are reported and analyzed in the framework of the Townes and Dailey theory. A strong correlation exists between the charge difference σ~NC~ − π at the pyridinic nitrogen and