15N NMR Chemical Shift Tensors of Substituted Hexaazaisowurtzitanes: The Intermediates in the Synthesis of CL-20†
✍ Scribed by Clawson, Jacalyn S.; Anderson, Karen L.; Pugmire, Ronald J.; Grant, David M.
- Book ID
- 115486788
- Publisher
- American Chemical Society
- Year
- 2004
- Tongue
- English
- Weight
- 98 KB
- Volume
- 108
- Category
- Article
- ISSN
- 1089-5639
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The potential of heteronuclear MAS NMR spectroscopy for the characterization of (15)N chemical shift (CS) tensors in multiply labeled systems has been illustrated, in one of the first studies of this type, by a measurement of the chemical shift tensor magnitude and orientation in the molecular frame
## Abstract The analysis of ^15^N chemical shift data from over a hundred anilines, __N__‐methyl anilines, __N__,__N__‐dimethyl anilines and phenylhydrazines with substituents in the phenyl ring leads to an empirical equation, δ~cal~ = δon + Δ__o__ + Δ__m__ + Δ__p__, for calculating ^15^N NMR chemi