Gating in carceplexes. The illustration shows a complex containing two
acetonitriles. Upon heating the "French door" opens and acetonitrile
spills out! See K. N. Houk, Kensuke Nakamura, Chimin Sheu, and Amy E.
Keating, Science, 1996, 273, 627-629.
This art illustrates some of the research of Prof. Ken Houk's group at UCLA.
Note: the images here are reduced in color depth and resolution for viewing
on the web. They are not print quality.