Abstract

Two-dimensional NMR homo- and hetero-nuclear exchange experiments are reported for 13C-labelled methyl formate and chloroform at 4.7 and 9.4 T. The analysis is carried out using the magnetization transfer mode formalism. For both systems, significant interference effects between dipole—dipole and chemical shift anisotropy interactions are observed not only for 13C but also for 1H. In the case of chloroform, the chemical shift anisotropy for 13C is estimated to be −32±8 ppm and for 1H 12±2 ppm.

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