Abstract
An analysis of the deuteron NMR spectrum is given to determine the deuteron polarization and the quadrupole coupling parameters in deuterated 1, 2-propanediol-D6 and 1, 2-propanediol-D8. Deuterons are polarized by the dynamic method in a spin frozen target. The deuteron line-shape function is calculated for a polycrystalline solid. Agreement between the theoretical and experimental spectrum is satisfactorily good. The following parameters are obtained for the deuteron quadrupole coupling; e 2 qQ/ h = (166.3 ± 1.0) kHz, η = 0.03 ± 0.01 for the C-D bond, and e 2 qQ/ h = (197.9 ± 3.0) kHz, η = 0.17 ± 0.02 for the O-D bond. The deuteron polarization reaches around 40% and is determined with a relative error less than 10%. A possible application of the dynamic polarization method to the study of molecular structure is discussed.
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