Research Article: Pyridinium 5-nitro­thio­phene-2-carboxyl­ate

Date Published: June 01, 2010

Publisher: International Union of Crystallography

Author(s): Xiao-Yan Yang, Ning Xu, Shan Liu.

http://doi.org/10.1107/S1600536810016089

Abstract

The anion of the title compound, C5H6N+·C5H2NO4S−, is approximately planar, with the carboxyl­ate and nitro group planes forming dihedral angles of 7.5 (3) and 3.5 (3)°, respectively, with the thio­phene ring. In the crystal structure, the cations and anions are linked into a two-dimensional network parallel to (011) by N—H⋯O and C—H⋯O hydrogen bonds.

Partial Text

For the uses of 5-nitro­thio­phene-2-carboxylic acid, see: Cao et al. (2003 ▶). For the synthesis, see: Marques et al. (2002 ▶). For bond-length data, see: Allen et al. (1987 ▶).

 

Source:

http://doi.org/10.1107/S1600536810016089

 

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