Chemistry, like all the natural sciences, begins with the direct observation of nature— in this case, of matter. 298-12-4, Name is 2-Oxoacetic acid, SMILES is OC(=O)C=O, in an article , author is Banu, Afshan, once mentioned of 298-12-4, Electric Literature of 298-12-4.
In the title compound, C18H11ClN4OS, the benzisoxazole and imidazothiadiazole rings are inclined at an angle of 23.81 (7)degrees with respect to each other. The imidazothiadiazole and chlorophenyl rings make a dihedral angle of 27.34 (3)degrees. In the crystal, intermolecular C-H center dot center dot center dot N interactions generate a chain along the c axis and C-H center dot center dot center dot O interactions form centrosymmetric dimers resulting in an R-2(2)(26) graph-set motif. Moreover, the C-H center dot center dot center dot N and S center dot center dot center dot N [3.206 (4) angstrom] interactions links the molecules into R(7) ring motifs. The packing is further stabilized by pi-pi stacking interactions between the thiadiazole rings with a shortest centroid-centroid distance of 3.497 (3) angstrom. In addition, C-H center dot center dot center dot pi interactions are observed in the crystal structure
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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics