Abstract
In the title compound, C18H23ClN3O3, the imidazole ring system has an envelope conformation, whereas the nitronyl nitroxide unit displays a half-chair or twisted conformation. In the crystal, C—H⋯O hydrogen bonds build up a three-dimensional network.
Highlights
In the title compound, C18H23ClN3O3, the imidazole ring system has an envelope conformation, whereas the nitronyl nitroxide unit displays a half-chair or twisted conformation
C—HÁ Á ÁO hydrogen bonds build up a threedimensional network
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: DN2639)
Summary
Min Tian,a Zhuo Xiang,a Si-Yuan Zhou,b Lin-Lin Jing,c Hai-Bo Wanga and Xiao-Li Suna*. Key indicators: single-crystal X-ray study; T = 296 K; mean (C–C) = 0.005 A; R factor = 0.051; wR factor = 0.152; data-to-parameter ratio = 14.5. C18H23ClN3O3, the imidazole ring system has an envelope conformation, whereas the nitronyl nitroxide unit displays a half-chair or twisted conformation. C—HÁ Á ÁO hydrogen bonds build up a threedimensional network. Related literature For the biological activity of nitronyl nitroxides, see: Soule et al (2007 and for their coordination properties, see: Masuda et al (2009). See: Iqbal et al (2009); Wang et al (2009). See: Cremer & Pople (1975).
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