Dynamics of propane in Na-Y zeolite

The dynamics of propane confined in Na-Y zeolite was studied using the quasi-elastic neutron scattering technique at different temperatures. The data were analysed using a model in which the propane molecules undergo random-walk diffusion characterised by a Gaussian distribution of jump lengths inside zeolite cages. The diffusion constant and root-mean-square jump length were determined in the temperature range of 300-350 K.