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Two kinds of iodine–iodine halogen bonds are the focus of our attention in the crystal structure of the title salt, C12H8ClINO+·I3−, described by X‐ray diffraction. The first kind is a halogen bond, reinforced by charges, between the I atom of the heterocyclic cation and the triiodide anion. The second kind is the rare case of a halogen bond between the terminal atoms of neighbouring triiodide anions...
The crystal structure of (E)-8-((2,3-diiodo-4-(quinolin-8-ylthio)but-2-en-1-yl)thio)quinolin-1-ium triiodide, determined at 100 K in the space group C2/c, contains the bridge hydrogen bond [N···H···N]+ linking two neighboring quinolinium fragments; the distance N···N is 2.6927(15) Å. The experimental difference Fourier maps at 293 and 100 K lead to a conclusion about the dynamic nature of the H atom...
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