## Abstract ^13^C nuclear magnetic relaxation rates were measured as a function of temperature for methyl fluorene‐3‐carboxylate and used to describe the dynamics of this molecule. The easiest reorientation is about the __x__ principal diffusion axis, which is situated close to that inertial princi
13C NMR relaxation and molecular structure. 13C spin-lattice relaxation and rotations of methyl groups in N,N-dimethylformamide
✍ Scribed by Hiroshi Nakanishi; Osamu Yamamoto
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 274 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0009-2614
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## Abstract The contributions to the ^13^C NMR spin–lattice relaxation rates of both protonated and non‐protonated carbons of a range of carbocations in superacids were determined from the analysis of __T__~1~ values measured over a range of temperatures and at different field strengths. From the d
## Abstract ^13^C NMR spin‐lattice relaxation times (__T__~1~) and nuclear Overhauser enhancements (η) were measured for dithiarsolanes. The contributions of dipolar (__T__) and spin‐rotation (__T__) mechanisms were determined. The __T__~1~ data were analysed to obtain information on the relative o