Abstract
The local molecular correlation times obtained from lineshape analysis of —CHD— proton resonances, have been separated into contributions from overall and internal molecular motions in a series of compounds I–XIII. The results obtained from I–III are then transferred to compounds IV–XIII, for which overall and internal correlation times are calculated. It is possible to study the dynamic coupling of these two types of motions making up local motions. The results allow discussing structural effects on molecular overall and internal reorientations. Intermolecular effects have also been observed. Component analysis of the local molecular motions obtained from quadrupolar labelling, thus allows a detailed description of the dynamic behaviour of molecules in solution.
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