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The title compounds, N-(4-bromophenyl)-5,6-dichloronicotinamide, C12H7BrCl2N2O, and 6-chloro-5-fluoro-N-(3-pyridyl)-nicotinamide, C11H7ClFN3O, 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) Å at C6 and C5, respectively. These compounds are representatives of a class of compounds biologically important as herbicidal, pesticidal or fungicidal agents.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks global, 1, 2

CCDC references: 126310; 126311

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