Rcccivcd 14 Scptcmbcr 1970 Anisotropies 01 the 13C shielding constant @UC) for CIinI and Cll+!X arc obtained from 'k SMi1 studies of these molcculcs in the ncmatic solvents. The results arc compnrcd with the Lhcorctkal vnlues obtained by the molccuklr orhitnl cnlculxtions using thz current theory. T
Structural parameters and the 13C and 19F magnetic shielding anisotropies in 13CH3F from nematic phase studies
β Scribed by Pranab K Bhattacharyya; Benjamin P Dailey
- Publisher
- Elsevier Science
- Year
- 1974
- Weight
- 736 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0022-2364
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π SIMILAR VOLUMES
The 31P magnetic shielding anisotropies in P4S3 from Fourier transform NMR spectra in the nematic phase are reported. They are in satisfactory agreement with results obtained from pulsed solid state experiments by Gibby et aI. The sign of the scalar coupling constant Jpp between the apical and basal
type nonbonding orbitals on heavy halogen or related substituents are largely responsible for significantly shielding spinαorbit-induced Ε½ . heavy-atom effects on nuclear magnetic resonance NMR chemical shifts of the neighboring atoms. This suggestion has been examined and confirmed by Ε½ . 13 densi