Mapping the pattern of proton-proton spin coupling in a spectrum of many lines
β Scribed by Pei Feng-Kui; Ray Freeman
- Publisher
- Elsevier Science
- Year
- 1982
- Weight
- 332 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0022-2364
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π SIMILAR VOLUMES
In the vicmity of the average energy approximation, all proton-proton coupling contnbutions obtamed by INDO FPT are given simple expressions. The method naturally iritroduces a new relocalization procedure which visuahzes all effects in a localized orbital model.
Stereo-selective deuteration has been explored as an approach for improving the accuracy of NMR-derived, three-bond vicinal proton-proton coupling constants in the 12-base-pair DNA Dickerson sequence [d(CGCGAATTCGCG) 2 ]. The coupling constants are useful for DNA structure determination in restraine
Four-bond protoeproton spin coupling constants were measured between the azomethine proton and the glycine CH protons of some coordinated glycine Schiff bases where the parent aldehyde is aromatic. Such systems are models for vitamin B, enzyme substrate complexes. It is demonstrated that the couplin