Synthesis, crystal structure and Hirshfeld surface analysis of ( E )-5-meth-oxy-2-[( p -tolyl-imino)-meth-yl]phenol.

Abstract

Single-crystal X-ray diffraction has been used to elucidate the mol-ecular and crystal structures of (E)-5-meth-oxy-2-[(p-tolyl-imino)-meth-yl]phenol {systematic name: (E)-5-meth-oxy-2-[N-(4-methyl-phen-yl)carboximido-yl]phenol}, C15H15NO2. The Schiff base crystallizes in the ortho-rhom-bic space group Pca21 and the mol-ecular structure is stabilized by an intra-molecular O-H⋯N hydrogen bond, with an O⋯N separation of 2.605 (4) Å and an O-H⋯N angle of 146°. The crystal packing was examined using Hirshfeld surface analysis, which reveals dominant H⋯H contacts make the largest contribution to the inter-molecular contacts (51.4%) of the surface, followed by H⋯C/C⋯H (30.9%), H⋯O/O⋯H (12.0%) and H⋯N/N⋯H (2.5%) contacts. The combined crystallographic and Hirshfeld surface analyses provide insight into the mol-ecular organization and inter-molecular forces governing the solid-state structure.

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