Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 1 (January 2013)

organic compounds

gk2539 scheme

Acta Cryst. (2013). E69, o30    [ doi:10.1107/S1600536812049446 ]

3-Chloro-2,4,5-trifluorobenzoic acid

J. Quan and H.-S. Sun

Abstract: The title compound, C7H2ClF3O2, was prepared by the chlorination of 3-amino-2,4,5-trifluorobenzoic acid. The carboxyl group is twisted relative to the benzene ring by 6.8 (1)°. In the crystal, pairs of O-H...O hydrogen bonds link molecules into typical centrosymmetric carboxylic acid dimers. These dimers are arranged into sheets parallel to (-103).

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