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N,N′-Bis­(pyridin-4-ylmeth­yl)terephthalamide dihydrate: a self-interpenetrating hydrogen-bonding network

✍ Scribed by Zhang, Hong-Tao ;You, Xiao-Zeng

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

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✦ Synopsis

The title compound, C 20 H 18 N 4 O 2 Á2H 2 O, has an inversion center at the mid-point of the central benzene ring. The asymmetric unit consists of one-half of an N 1 ,N 4 -bis-(pyridin-4-ylmethyl)terephthalamide molecule and one water molecule. The intermolecular hydrogen bonds connect the amide molecules and water molecules to produce a selfinterpenetrating hydrogen-bonding network. The crystal packing is also governed by intermolecularstacking and a weak C-HÁ Á Á interaction.

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✍ Li, Feng ;Wang, Yanqi ;Bi, Wenhua ;Li, Xing ;Cao, Rong 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 471 KB

The title complex, {[Co(4,4 H -bipy)(H 2 O) 4 ](CCA)Á2H 2 O} n (where bipy is bipyridine, C 10 H 8 N 2 , and CCA 2À is 2-carboxylatocinnamate, C 10 H 6 O 4 ), is a linear polymer constructed from cobalt and 4,4 H -bipy, and which contains uncoordinated CCA 2À counter-ions. There are two independent