2′,4′-Dihydroxy-5′,6′-dimethoxychalcone
✍ Scribed by Usman, Hanapi ;Jalaluddin, Muhammad N. ;Hakim, Euis H. ;Syah, Yana M. ;Yamin, Bohari M.
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 265 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
In the crystal structure of the title compound, C 19 H 20 O 6 , the dihedral angle between the two aromatic planes is 31.8 (1) . Intermolecular C-HÁ Á ÁO hydrogen bonds serve to stabilize the structure.
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.
Single-crystal X-ray study T = 298 K Mean (C-C) = 0.006 A R factor = 0.064 wR factor = 0.201 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.
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.