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N,N′-Bis[4-(dimethyl­amino)benzyl­idene]ethane-1,2-diamine

✍ Scribed by Hao, Hong-Qing ;Zhang, Hui


Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
148 KB
Volume
61
Category
Article
ISSN
1600-5368

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N,N′-Bis(4-dimethyl­amino­benzyl­idene)e
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The title compound, C 20 H 26 N 4 , was prepared by a condensation reaction between p-dimethylaminobenzaldehyde and ethylenediamine. The molecule contains a crystallographically imposed twofold axis of symmetry.

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The title compound, C 17 H 16 Cl 2 N 2 , adopts a 'vault' conformation. The molecules are linked by a pair of C-HÁ Á ÁN hydrogen bonds into a centrosymmetric dimer with an R 2 2 (18) ring. These dimers are linked by a weak centrosymmetricinteraction into a chain along the [001] direction, and these

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The molecule of the title compound, C~22~H~30~N~4~, lies across a crystallographic inversion centre and adopts an __E__ configuration with respect to the azomethine C=N bond. The molecular structure has a staggered conformation, with the two benzene rings parallel to each other. The dihedral angle b

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Single-crystal X-ray study T = 273 K Mean '(C±C) = 0.002 A Ê R factor = 0.048 wR factor = 0.133 Data-to-parameter ratio = 15.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.