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NMR spectra of oriented 13C-Acetylene: Redetermination of the shrinkage effects and analysis of the apparent temperature dependence of the molecular geometry

✍ Scribed by P Diehl; S Sýkora; W Niederberger; E.E Burnell

Publisher
Elsevier Science
Year
1974
Weight
642 KB
Volume
14
Category
Article
ISSN
0022-2364

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✍ Hans Fritz; Paul Hug; Hanspeter Sauter; Tammo Winkler; Sven-Olov Lawesson; Bjarn 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 834 KB

## Abstract __N__,__N__‐diisopropylamides and ‐thioamides show hindered rotation around the NCH bonds, and the presence of mixtures of conformational isomers can be demonstrated at temperatures below 273 K in solution. ^1^H and ^13^C NMR spectra of these conformers are measured and assigned. The ^