The molecule of the title compound, C 13 H 10 ClN 3 O 2 , is approximately planar and displays a trans configuration with respect to the C N double bond. The crystal structure is stabilized by intermolecular N-HÁ Á ÁN hydrogen bonds, forming layers parallel to the ab plane.
N′-[(1E)-(5-Chloro-2-hydroxyphenyl)(phenyl)methylene]-2-hydroxybenzohydrazide
✍ Scribed by Chang, Jian-Guo ;Cheng, Ying ;He, Xi-Tao
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 233 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The title compound, C 20 H 15 ClN 2 O 3 , displays a trans configuration with respect to the C N double bond. The crystal structure is stabilized by intramolecular O-HÁ Á ÁN and N-HÁ Á ÁO and intermolecular O-HÁ Á ÁO hydrogen bonds.
📜 SIMILAR VOLUMES
The title compound, C 15 H 11 ClO 2 , is almost planar and adopts an E configuration. The dihedral angle between the two benzene rings is 10.76 ( 6) . An intramolecular O-HÁ Á ÁO hydrogen bond generates an S(6) ring motif. Molecules are arranged in layers approximately parallel to the (204) plane an
Single-crystal X-ray study T = 294 K Mean (C-C) = 0.005 A R factor = 0.070 wR factor = 0.133 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.
The title compound, C 18 H 18 O 5 , was prepared by the condensation of 2-hydroxyacetophenone with 3,4,5-trimethoxybenzaldehyde. The trimethoxyphenyl and hydroxyphenyl rings of the chalcone system are approximately coplanar.