Crystal structure and Hirshfeld surface analysis of ethyl 2-[5-(3-chloro-benz-yl)-6-oxo-3-phenyl-1,6-di-hydro-pyridazin-1-yl]acetate.
作者： Fouad El Kalai , Cemile Baydere , Said Daoui , Rafik Saddik , Necmi Dege
DOI: 10.1107/S2056989019007424
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摘要: The title pyridazinone derivative, C21H19ClN2O3, is not planar. unsubstituted phenyl ring and the pyridazine are inclined to each other, making a dihedral angle of 17.41 (13)° whereas Cl-substituted nearly orthogonal [88.19 (13)°]. In crystal, C-H⋯O hydrogen bonds generate dimers with R 2 2(10) 2(24) motifs which linked by inter-actions, forming chains extending parallel c-axis direction. inter-molecular inter-actions were investigated using Hirshfeld surface analysis two-dimensional fingerprint plots, revealing that most significant contributions crystal packing from H⋯H (44.5%), C⋯H/H⋯C (18.5%), H⋯O/H⋯O (15.6%), Cl⋯H/H⋯Cl (10.6%) C⋯C (2.8%) contacts.
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