The simulation results are presented in Fig. in the form of a Robeson plot, where selectivity is plotted as a function of permeability on a log-log scale. The data points correspond to membranes of different sizes: 6 nm (spheres), 8 nm (triangles), and 10 nm (squares), with the average values and standard deviations included. A close examination of the individual configurations reveals significant variability in the data points. For instance, the permeability of the 6 nm membranes varies considerably, ranging from 10,000 to 22,000