Fig. 2: Chloride-induced supramolecular polymer. | Nature Communications

Fig. 2: Chloride-induced supramolecular polymer.

From: Formation of supramolecular channels by reversible unwinding-rewinding of bis(indole) double helix via ion coordination

Fig. 2

The schematic illustration of conformational changes across the single bond followed by the formation of anion-coordinated supramolecular assembly by 1b (a). The top view of the formation of Cl− ion coordinated self-assembled architecture from the crystal structure of 1b with Cl− (b). The tetrabutylammonium cations are omitted for clarity in the solid-state representation. The light blue dotted lines in the bottom crystal structure represent the hydrogen bonding interactions.

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