Cancellation of coupled and decoupled NMR signals of protonated carbons
✍ Scribed by Venceslav Rutar
- Publisher
- Elsevier Science
- Year
- 1983
- Weight
- 439 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0022-2364
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In solids containing two nuclear spin species I and S, the magnetic dipolar coupling causing broadening of the S NMR line is partially averaged due to I spin flip-flop motion due to I-I coupling. This paper shows that the effects we observed previously in AgF (Abragam and Winter) are also present in
## Abstract Proton‐coupled ^13^C NMR spectra were obtained for three methyl‐substituted butadienes, namely 2‐methylbuta‐1,3‐diene, __trans__‐2‐methylpenta‐1,3‐diene and 2,4‐dimethylpenta‐1,3‐diene. The second‐order spectra were analysed by computer, using some new ^1^H NMR data, and the resulting c