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The title compound, C9H7NO2S crystallizes with two independent molecules (A and B) in the asymmetric unit with Z = 8. Both molecules are almost planar with a dihedral angle between the isoxazole and thiophen rings of 3.67 (2)° in molecule A and 10.00 (1) ° in molecule B. The packing of molecules A and B is of an ABAB... type along the b-axis direction, the configuration about the C=C bond is Z. In the crystal, the presence of C—H...O, C—H... N and π–π interactions [centroid–centroid distances of 3.701 (2) and 3.766 (2) Å] link the molecules into a three-dimensional architecture. An analysis of Hirshfeld surfaces shows the importance of C—H...O and C—H...N hydrogen bonds in the packing mechanism of the crystalline structure.

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