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EnglishThe 1H, 19F and 13C spectra have been obtained of a sample of peri-difluoronaphthalene dissolved in the nematic liquid crystalline solvent ZLI 1695. The 13C satellite spectra from the six, single-13C isotopomers at natural abundance in both the 1H and 19F spectra were identified and analysed to yield a set of residual total, anisotropic spin–spin couplings, Tij. This was achieved by first obtaining residual 13C–19F and 13C–1H couplings from a proton-encoded, 13C detected, local field 2D spectrum. The 45 values of THH, THF and TCH were used to obtain the structure of the molecule, and then to estimate whether there is a significant contribution from the component along the magnetic field, Janiso ijzz , of the anisotropic, electron-mediated, spin–spin coupling tensors for 13C–19F and 19F–19F pairs. It is found that there is strong evidence for a significant contribution of Janiso FFzz to TFF but not for the 13C–19F pairs.
The inderect through-space F-F coupling in peri-difluoronaphthalene:is it anisotropic? / EMSLEY J., W; DE LUCA, Giuseppina; Lesage, A; Longeri, M; MALLORY F., B; Mallory, C. W.. - In: PHYSICAL CHEMISTRY CHEMICAL PHYSICS. - ISSN 1463-9076. - 10(2008), pp. 6534-6543.
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| Titolo: | The inderect through-space F-F coupling in peri-difluoronaphthalene:is it anisotropic? | |
| Autori: | ||
| Data di pubblicazione: | 2008 | |
| Rivista: | ||
| Citazione: | The inderect through-space F-F coupling in peri-difluoronaphthalene:is it anisotropic? / EMSLEY J., W; DE LUCA, Giuseppina; Lesage, A; Longeri, M; MALLORY F., B; Mallory, C. W.. - In: PHYSICAL CHEMISTRY CHEMICAL PHYSICS. - ISSN 1463-9076. - 10(2008), pp. 6534-6543. | |
| Handle: | http://hdl.handle.net/20.500.11770/148748 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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