Effect of lone pairs on 13 CH coupling constants
β Scribed by Gil, V.M.S.; Alves, A.C.P.
- Book ID
- 121451322
- Publisher
- Taylor and Francis Group
- Year
- 1969
- Tongue
- English
- Weight
- 132 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0026-8976
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## Abstract The ^31^Pο£Ώ^31^P and ^13^Cο£Ώ^31^P coupling constants in 1,6βdiphosphatriptycene have been obtained from analysis of its proton decoupled ^13^C n.m.r. spectra. More accurate data, however, resulted from simultaneous analysis of the proton decoupled ^13^C spectra and ^31^P(^13^C) satellite
In the present work we give a theoretical explanation of the effect of deuterium substitution on the J13cH coupling constant of a vicinal proton, in tetrahedrally hybridized carbons. The change in tlmeaveraged 2s character of the hybrid carbon orbital, due to the couplin g of the bending vibrations.