Acta Cryst. (2012). E68, o2692
[ doi:10.1107/S1600536812034861 ]
Abstract: In the title compound, C20H18ClN3, the cyclooctene ring exhibits conformational disorder of two methylene groups with a site-occupation factor of 0.859 (6) for the major occupied site. In the crystal, molecules are connected into inversion dimers via pairs of weak N-HN hydrogen bonds, forming an R22(12) graph-set motif. These dimers are further connected via weak N-HCl interactions into chains running along . There are also C-HN interactions present in the crystal.
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