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Experimental and theoretical spin-spin coupling constants for [ 15 N] formamide

✍ Scribed by HANSEN, M. J.; WENDT, M. A.; WEINHOLD, F.; FARRAR, T. C.

Book ID
126589651
Publisher
Taylor and Francis Group
Year
2002
Tongue
English
Weight
679 KB
Volume
100
Category
Article
ISSN
0026-8976

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πŸ“œ SIMILAR VOLUMES

Signs of heteronuclear spin–spin couplin
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## Abstract By using digital deconvolution to improve spectral resolution, earlier NMR studies on ^15^N‐enriched acetamide have been revised and extended to determine the signs of the heteronuclear spin‐spin coupling constants. ^1^__J__(^13^CO^15^N), ^2^__J__(^13^CH~3~^15^N) and ^3^__J__(C^1^H~3~^1

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Non-empirical calculations using the equations-of-motion approach are reported for iJ( 15Nt5N) in hydrazine, diazene, isodiazene, the azide anion, and nitrogen. Irrespective of the single or multiple nature of the bond between the nitrogens, iJ( isNi5N) should be negative in all compounds. The only