Date Published: May 01, 2009
Publisher: International Union of Crystallography
Author(s): B. Thimme Gowda, Sabine Foro, Hiromitsu Terao, Hartmut Fuess.
The N—H bond in the title compound, C8H7Cl2NO, is anti to the meta-chloro substituent in the aromatic ring in both independent molecules comprising the asymmetric unit. The C=O bond is anti to the N—H bond and is also anti to the methylene H atoms. Intermolecular N—H⋯O hydrogen bonds link the molecules into supramolecular chains.
For preparation and characterisation of the compound, see: Pies et al. (1971 ▶), Gowda et al. (2006 ▶). For related structures, see: Gowda et al. (2008a ▶,b ▶,c ▶).