Abstract
This article reports the 4-dimethylaminopyridine based supramolecular crystalline solids 1-8, where the organic acids have been integrated. Addition of the 4-dimethylaminopyridine to the solution of organic acid makes the corresponding supramolecular assemblies. All the compounds crystallize as the corresponding salts and they have been featured in detail via IR, mp, EA and XRD. The major driving force is the classical H-bonds from 4-dimethylaminopyridine and the acids. Further analysis of the crystal packing of the salts told that a different array of additional CH-C, CH-O/CH3-O, CH-π/CH3-π, CH-CH, CH-Cl/CH3-Cl, OH-π, O-C, O-N, O-O, O-π and Cl-O contacts contribute to the stabilization and expansion of the total 1D-3D structures. For the delicate balance of the various weak nonbonding interactions, these structures adopted homo or hetero supramolecular synthons or both.
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