Crystal structure and Hirshfeld surface analysis of (E)-4-({2,2-dichloro-1-[4-(dimethylamino)phenyl]ethenyl}diazenyl)benzonitrile
2021 ◽
Vol 77
(10)
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Keyword(s):
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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