This is a picture generated from crystal structure data reported by Peter R. Ashton, Christopher L. Brown, Ewan J. T. Chrystal, Timothy T. Goodnow, Angel E. Kaifer, Keith P. Parry, Douglas Philp, Alexandra M. Z. Slawin, Neil Spencer, J. Fraser Stoddart and David J. Williams Chemical Communications, 1991, 634 - 639. It shows a catenane with a cyclobis(paraquat-p-phenylene) macrocyle. It was made by en:User:M_stone and is free to be used by all.
{{Information |Description=This is a picture generated from crystal structure data reported by Peter R. Ashton, Christopher L. Brown, Ewan J. T. Chrystal, Timothy T. Goodnow, Angel E. Kaifer, Keith P. Parry, Douglas Philp, Alexandra M. Z. Slawin, Neil Spe