Nuclear Magnetic Shielding and Spin-Spin Coupling of 1,2- 13 C-Enriched Acetylene in Gaseous Mixtures with Xenon and Carbon Dioxide
✍ Scribed by Jackowski, Karol; Wilczek, Marcin; Pecul, Magdalena; Sadlej, Joanna
- Book ID
- 126896865
- Publisher
- American Chemical Society
- Year
- 2000
- Tongue
- English
- Weight
- 16 KB
- Volume
- 104
- Category
- Article
- ISSN
- 1089-5639
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📜 SIMILAR VOLUMES
Trifluoromethane (CHF 3 ) has been studied using 1 H, 13 C and 19 F NMR spectra in the gas phase at 300 K. For the first time all the spin-spin couplings and 13 C shielding of CHF 3 were measured as functions of density. After extrapolation to the zero-density limit the appropriate shielding ( 1 H,
## Abstract Orientation effects of electronegative substituents on vicinal carbon‐proton coupling constants are studied in 1,2‐disubstituted propanes and are found to resemble those on vicinal proton‐proton coupling constants. Known relations for the orientation effect of substituents on synclinal