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. Author manuscript; available in PMC: 2023 Jun 20.
Published in final edited form as: Anal Chem. 2021 Jun 3;93(23):8210–8218. doi: 10.1021/acs.analchem.1c00784

Table 1.

MAS NMR Experimental and DFT Calculated 19F Isotropic Chemical Shifts for Mefloquine

Crystallographically inequivalent molecules Functional group δiso (ppm) MAS NMR δiso (ppm) DFT

a 2CF3 8.8 7.4
a 8CF3 15.6 15.5
b 2CF3 8.2 1.5
b 8CF3 16.1 16.1
c 2CF3 8.6 1.6
c 8CF3 15.8 14.9