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Acta Cryst. (2007). E63, o3722  [ doi:10.1107/S1600536807037622 ]

(2Z,3E)-2,3-Bis(2-thienylmethylene)succinic acid methanol hemisolvate

K. N. Venugopala, C. R. Girija, D. Chopra, N. S. Begum and G. K. Rao

Abstract: In the title compound, C14H10O4S2·0.5CH3OH, the molecule adopts a gauche conformation around the central C-C bond. Intermolecular O-H...O hydrogen bonds between carboxyl groups link the molecules into zigzag chains. Between chains, the thiophene rings form [pi]-[pi] stacking interactions with a centroid-centroid distance of 3.98 Å. The methanol solvent molecule forms an O-H...O hydrogen bond to one carboxyl group and is disordered about a crystallographic centre of inversion.


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