Abstract
Multiple quantum NMR was used to study a system of two adjacent methyl groups in an oriented molecule to see if there was any degree of correlated motion. The 4-quantum spectrum which is sensitive to two-body correlations can distinguish simply between the cases of uncorrelated and correlated motion. The experimental multiple quantum spectra of partially oriented 2,3-dimethylmaleic anhydride in a liquid crystal show that the two methyl groups rotate quite independently.
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