Molecular dynamics (MD) simulations at constant temperature have been carri
ed out for systems of 1:1 solvent primitive model (SPM) electrolyte solutio
ns. Equilibrium thermodynamics, mean cluster size, self-diffusion coefficie
nts, and collision frequencies were computed to examine the electrostatic e
ffects on the structural and dynamical properties. Coherent ionic cluster m
otion was deduced from a cluster analysis and from the dependence of the ve
locity and force autocorrelation functions (FACFs). The resulting MD data f
or the collision frequencies and self-diffusivities of both ions and hard-s
pheres were shown to be in good agreement with the theoretical predictions.