Acta Cryst. (2011). C67, o154-o156 [ doi:10.1107/S0108270111008675 ]
Abstract: 4-Chloro-5-(2-phenoxyethoxy)phthalonitrile, C16H11ClN2O2, (I), and 4-chloro-5-[2-(pentafluorophenoxy)ethoxy]phthalonitrile, C16H6ClF5N2O2, (II), show different types of electrostatic interaction. In (I), the phenoxy and phthalonitrile (benzene-1,2-dicarbonitrile) moieties are well separated in an open conformation and intermolecular C-H interactions are observed in the crystal packing. On the other hand, in (II), the pentafluorophenoxy moiety interacts closely with the Cl atom to form a folded conformation containing an intramolecular halogen- interaction.
Formula: C16H11ClN2O2 and C16H6ClF5N2O2
Structure factor file (CIF format) (155.2 kbytes)
Structure factor file (CIF format) (163.8 kbytes)
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