Fig. 2.HCl encapsulated in the nanotube-like helium cages: (a) HCl@(3,3) HeNT (b) HCl@(4,4) HeNT and (c) HCl@(5,5) HeNT. Color key: blue = He, white = H, and yellow = Cl.
(For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)