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![]() | Ailion, David Charles | NMR observations of molecular motions and Zeeman-quadrupole cross relaxation in 1,2- difluorotetrachloroethane | We report measurements of "F NMR relaxation times Tu Tlf, TID, and T2 in the plastic crystal CFCL2-CFCL2 . From the data near the melting point, we obtain the jump time for translational selfdiffusion. At lower temperatures, we observe on the cold side of the T, and Tif minima an unusual field depe... | NMR; Nuclear magnetic resonance; Order-disorder; Diffusion | 1979 |