Acta Cryst. (2013). E69, o328-o329 [ doi:10.1107/S1600536813001888 ]
Abstract: In the crystal structure of the title compound, C8F16I2·C14H8N2, the molecules form infinite chains parallel to [2-11] through two symmetry-independent C-IN halogen bonds (XBs). As commonly found, the perfluoroalkyl molecules segregate from the hydrocarbon ones, forming a layered structure. Apart from the XBs, the only contact below the sum of van der Waals radii is a weak HF contact. The topology of the network is a nice example of the paradigm of the expansion of ditopic starting modules; the XB leads to the construction of infinite supramolecular chains along [2-11] formed by alternating XB donors and acceptors.
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