Fig. 7: Single-crystal X-ray structures of 2 and [2,2]PCP@2. | Nature Communications

Fig. 7: Single-crystal X-ray structures of 2 and [2,2]PCP@2.

From: Heteroatom-bridged molecular belts as containers

Fig. 7

a Ball-and-stick representation of 2 with two o-DCBs in the cavity. b A view of 2 from front side showing the column-like conformation. c Ball-and-stick representation of the ring-in-ring structure of complex [2,2]PCP@2 with the CH···π and π‒π interaction highlighted in white dash lines. d Space-filling model of the ring-in-ring complex. The ethyl groups are omitted for clarity. Color code: S = gold, O = red, Cl = green, C = black or slate-blue, H = white.

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