Figure 5: Radial distribution function.
From: Encapsulation kinetics and dynamics of carbon monoxide in clathrate hydrate

Radial distribution functions of carbon atoms in carbon monoxide molecules in 51264 (a) and 512 (b) cages, and oxygen atoms in carbon monoxide molecules in 51264 (c) and 512 (d) cages at 25, 100 and 260 K from MD simulation.