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Cyclotetraphosphanes: geometry, 1J(PP) nuclear magnetic resonance coupling constants, and phosphorus chemical shift anisotropy. A nuclear magnetic resonance study in liquid crystals

✍ Scribed by Albrand, J. P.; Cogne, A.; Robert, J. B.


Book ID
126150702
Publisher
American Chemical Society
Year
1978
Tongue
English
Weight
595 KB
Volume
100
Category
Article
ISSN
0002-7863

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15N and 31P magnetic resonance spectra o
✍ AndrΓ© Cogne; Jean-Bernard Robert; Laurent Wiesenfeld πŸ“‚ Article πŸ“… 1978 πŸ› Elsevier Science 🌐 English βš– 277 KB

The t5N and 31P NMR spectra of the triply 15N labelled molecule P(N(CH3)2)3 oriented in a nematic phase, is reported. The NPN bond a&e is found equal to 97.6 i 0.3" and the 31P chemical shift tensor anisotropy Au equal to 80 \_' 15 ppm-