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Figure 3
One-dimensional chains formed by bidentate XB donors: (a) 1,4-diodoperfluorobutane with (dimethylamino)sulfonium fluoride (Farnham et al., 1988BB74); (b) 1,2-diidotetrafluoroethane with tetra-n-butylammonium iodide (Shen & Jin, 2011BB185). Both anions function as bidentate XB acceptors. (c) Two-dimensional honeycomb network formed by 1,2-diidotetrafluoroethane with iodide, acting as a tridentate XB acceptor (Liantonio et al., 2006BB132). K+ cations, cryptated by K222, have been omitted for clarity, although they play a major role in determining the number of XBs formed by the anion. XBs are shown as black dotted lines. XB separations are given as values normalized to the sum of the van der Waals radius of I and the Pauling ionic radius of the anion. Angles are given in degrees. Colour codes: grey, C; light green, F; violet, I.

Volume 2| Part 6| September 2015| Pages 675-690
ISSN: 2052-2525