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Die Bestimmung der Energiebarriere für die gehinderte interne Rotation in N, N‐Dimethylformamid durch Protonenresonanz‐Spektroskopie
Author(s) -
Conti F.,
von Philipsborn W.
Publication year - 1967
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19670500225
Subject(s) - chemistry , homonuclear molecule , internal rotation , deuterium , analytical chemistry (journal) , resonance (particle physics) , dimethylformamide , rotation (mathematics) , die (integrated circuit) , nuclear magnetic resonance , atomic physics , nanotechnology , molecule , organic chemistry , physics , mechanical engineering , geometry , mathematics , materials science , solvent , engineering
A re‐determination of the energy barrier for the internal rotation of N, N‐dimethylformamide has been carried out by proton magnetic resonance under refined experimental conditions. Consistent data have been obtained for ΔE, ΔG≠, and v 0 from different experiments utilizing 60 Mc/s and 100 Mc/s spectrometers including homonuclear double resonance and the use of deuterium substitution. The results are compared with the range of values previously reported in the literature.