Dynamic 13C NMR spectroscopy
Identifieur interne : 001450 ( Main/Exploration ); précédent : 001449; suivant : 001451Dynamic 13C NMR spectroscopy
Auteurs : Brian E. Mann [Royaume-Uni]Source :
- Progress in Nuclear Magnetic Resonance Spectroscopy [ 0079-6565 ] ; 1985.
Abstract
Dynamic 13C NMR spectroscopy is a recent addition to the tools available to chemists to investigate dynamic processes in molecules. The 13C spectra are not complicated by coupling and separation of the signals is the order of five times as large (in Hz). Consequently the temperature range over which meaningful measurements can be obtained is increased. There is therefore a marked increase in the dynamic range and accuracy of the measurements. Both very slow processes, e.g. 0.017 s−1 for N,N-dimethylformamide and very fast processes, e.g. ΔG‡ = 17.6 kJ mol−1 for cycloocta-1,3,5-triene can be examined. In addition the technique is becoming very important in observing dynamic processes in metal carbonyls.
Url:
DOI: 10.1016/0079-6565(77)80004-6
Affiliations:
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