Abstract

Five derivatives of thioisocoumarin bearing aromatic and nonaromatic ring systems have been synthesized and characterized to unravel the importance of interactions due to the presence of a sulfur atom in generating packing motifs in the crystalline state. Apart from the well characterized interactions like C–H⋯S, a CS⋯π interaction is found in one of the case studies. The importance of such interactions in crystal structure packing along with routine C–H⋯π and π⋯π interactions is examined in the context of overall stability in the molecular assembly. The CS⋯π interactions in comparison to CO⋯π interactions have been analyzed using the Cambridge Structural Database (CSD).

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