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Updated: Jan 15, 2026

Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
Published on: February 15, 2016
Crystal structure and Hirshfeld surface analysis of 4-benzyl-2H-benzo[b][1,4]oxazin-3(4H)-one
Soukaina El Haddad1, Olivier Blacque2, Tuncer Hökelek3
1Laboratory of Heterocyclic Organic Chemistry Medicines Science Research Center Pharmacochemistry Competence Center Mohammed V University in Rabat Faculté des Sciences Av Ibn Battouta BP 1014 Rabat Morocco.
Abstract:
The mol-ecule of the title compound, C15H13NO2, comprises a non-planar oxazine ring (twisted-boat conformation) fused to a benzene ring, and a benzyl moiety. In the crystal, C-H⋯O hydrogen bonds link the mol-ecules into [010] supra-molecular chains, enclosing R 2 2(9) ring motifs. C-H⋯π inter-actions and very weak π-π stacking between the benzene rings of adjacent mol-ecules help to consolidate the packing. A Hirshfeld surface analysis revealed that the most important contributions to the crystal packing are from H⋯H (48.8%), H⋯ C/C⋯H (29.3%) and H⋯O/O⋯H (18.9%) inter-actions.
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