Crystal structure and Hirshfeld surface analysis of (E)-4-({2,2-dichloro-1-[4-(dimethylamino)phenyl]ethenyl}diazenyl)benzonitrile
Acta crystallographica. Section E, Crystallographic communications(2021)
Abstract
In the title compound, C17H14Cl2N4, the dihedral angle between the aromatic rings is 50.09 (9)°. The central –N=N– unit shows an E configuration. In the crystal, C—H⋯N interactions, C—Cl⋯π and π–π stacking interactions [centroid-to-centroid distance = 3.7719 (14) Å] link the molecules, forming molecular layers approximately parallel to the (002) plane. Additional weak van der Waals interactions between the layers consolidate the three-dimensional packing. Hirshfeld surface analysis indicates that the most important contributions for the crystal packing are from H⋯H (33.6%), N⋯H/ H⋯N (17.2%), Cl⋯H/H⋯Cl (14.1%) and C⋯H/H⋯C (14.1%) contacts.
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Key words
crystal structure,C—H⋯N interactions,C—Cl⋯π interactions,π–π stacking interactions,Hirshfeld surface analysis
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