Single-crystal X-ray study T = 298 K Mean (C-C) = 0.004 A R factor = 0.046 wR factor = 0.145 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.
5,3′-Dihydroxy-3,6,7,4′-tetramethoxyflavone
✍ Scribed by Asker, Erol ;Akin, Sebahat ;Hökelek, Tuncer
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 270 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
In the title compound, C 16 H 18 N 2 O 4 , the cyclohexene ring adopts a half-chair conformation. In the solid state, intermolecular O-HÁ Á ÁN hydrogen bonds link the molecules into dimers. The crystal packing is further stabilized by N-HÁ Á ÁO and O-HÁ Á ÁO hydrogen bonds and weak C-HÁ Á ÁO interac
In the title compound, C 17 H 16 O 6 , the asymmetric unit contains one half-molecule. A twofold rotation axis passes through the C atom linking the two rings. Intramolecular O-HÁ Á ÁO hydrogen bonds seem to be effective in stabilizing the molecular structure.
In the title compound, C 30 H 32 O 9 Á1.5H 2 O, the cyclooctadiene eight-membered ring adopts a twisted boat-chair conformation. O-HÁ Á ÁO hydrogen bonding helps to stabilize the crystal structure.