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4-Fluoro-N′-(4-fluoro-3-phenoxy­benzo­yl)-3-phenoxy­benzohydrazide

✍ Scribed by Chopra, Deepak ;Mohan, T. P. ;Vishalakshi, B.

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
240 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C~26~H~18~F~2~N~2~O~4~, the dihedral angle between the amide groups is 57.1 (3)°. The crystal structure is stabilized by N—H...O hydrogen bonds and C—H...π interactions.

📜 SIMILAR VOLUMES

4-Fluoro-3-phenoxy­benzoic acid
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✍ Chopra, Deepak ;Mohan, T. P. ;Sreedhar, K. S. ;Guru Row, T. N. 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 230 KB

Single-crystal X-ray study T = 290 K Mean (C-C) = 0.005 A R factor = 0.069 wR factor = 0.159 Data-to-parameter ratio = 12.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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The title compound, C 21 H 16 FNO 2 , is chiral, having an asymmetric C atom, and is found to crystallize in a noncentrosymmetric space group. The five-membered isoxazole ring exists in an envelope conformation. The crystal structure is stabilized by weak intermolecular C-HÁ Á ÁO interactions.

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Single-crystal X-ray study T = 298 K Mean (C-C) = 0.005 A R factor = 0.056 wR factor = 0.161 Data-to-parameter ratio = 12.5 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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In the title compound, C 16 H 11 FO 2 , a synthetic isocoumarin, the benzene ring is not perpendicular to the planar isocoumarin ring sytem, the dihedral angle being 75.32 (3) . Intermolecular C-HÁ Á ÁO hydrogen bonds may be effective in the stabilization of the crystal structure.