J. Jethmalani, A. G. Camp, N. G. Soman
Feb 15, 1996
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Journal
Acta Crystallographica Section C-crystal Structure Communications
Abstract
The title compounds, N-(4-bromophenyl)-5,6-dichloronicotinamide, C 12 H 7 BrCl 2 N 2 O, and 6-chloro-5-fluoro-N-(3-pyridyl)nicotinamide, C 11 H 7 ClFN 3 O, crystallize as almost planar molecules held together by intermolecular hydrogen bonding. The dichloro compound shows C-Cl distances of 1.69 (2) and 1.725 (15)A at C6 and C5, respectively. These compounds are representatives of a class of compounds biologically important as herbicidal, pesticidal or fungicidal agents.