Dynamical properties of the hexagonal plastic phase of cyclopentane we
re investigated by the use of molecular dynamics simulations. Insights
into the role of molecular flexibility were extracted by comparing re
sults for a rigid and a partially flexible model. The main attention w
as devoted to the characterization of the orientational dynamics. The
results of the simulations compared to the available experimental data
confirm the validity of the intramolecular potential model adopted.