2,2',5,5'-Tetra-chloro-benzidine.

Acta Crystallogr Sect E Struct Rep Online

Department of Chemistry and Biochemistry, University of Missouri-St Louis, St Louis, Missouri, USA.

Published: August 2010

In the crystal structure of the title compound, C(12)H(8)Cl(4)N(2), mol-ecules lie on crystallographic twofold axes at the centre of the C-C bonds linking the benzene rings, such that the asymmetric unit consists of a half-mol-ecule. The individual mol-ecules participate in inter-molecular N-H⋯N, N-H⋯Cl, C-H⋯Cl and Cl⋯Cl [3.4503 (3) Å] inter-actions.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3008068PMC
http://dx.doi.org/10.1107/S1600536810030886DOI Listing

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