Extended diffusion of 1,3,5hyphen;trifluorobenzenehyphen;d3and acetonitrilehyphen;d3by spinndash;lattice relaxation

摘要

Nuclear spinminus;lattice relaxation times have been measured for the19F and2D nuclei in deuterated 1,3,5minus;trifluorobenzene from 450 to 570 K and for the2D and14N nuclei in acetonitrileminus;d3from 310 to 550 K. The results have been analyzed in terms of McClungrsquo;s extendedMminus; andJminus;diffusion theory for symmetric top molecules and have been found to be in good agreement with theJminus;diffusion model.