The origin of synthons and supramolecular motifs: beyond atoms and functional groups
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A four-membered R22(4) supramolecular motif formed by S...S and S...I chalcogen-bonding interactions in the crystal structure of 4-iodo-1,3-dithiol-2-one (C3HIOS2, IDT) is analysed and compared with a similar R22(4) motif (stabilized by Se...Se and Se...O chal... ...
