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Acta Cryst. (2009). E65, o2434 [ doi:10.1107/S1600536809034308 ]
Abstract: The title compound, C13H9Cl2N, has an intramolecular C-H
O close contact, and presents the NH group syn to the meta-chloro group in the aniline ring and trans to the C=O group. The crystal packing is formed by infinite chains of N-H
O hydrogen bonds along the c axis. Cl
Cl [3.474 (1) Å] contacts link chains. The crystal used for data collection was a twin, the domains related by the twin law 0.948 (1)/0.052 (1).
Online 12 September 2009
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