3-(3,4,5-Trimethoxyphenyl)-1H-isochromen-1-one
✍ Scribed by Qadeer, Ghulam ;Rama, Nasim Hasan ;Malik, Muhammad Azaad ;Akhtar, Javeed ;Helliwell, Madeleine
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 701 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
In the title cocrystal, 0.972(C 18 H 19 NO 4 ).0.028(C 17 H 16 BrNO 3 ), which arose from an impure starting material, all the atoms are overlapped except for one OMe group and the Br atom. The dihedral angle between the benzene ring mean planes is 18.20 (13) . A weak N-HÁ Á ÁO hydrogen bond helps t
Single-crystal X-ray study T = 293 K Mean (C-C) = 0.002 A R factor = 0.025 wR factor = 0.069 Data-to-parameter ratio = 12.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
In the title compound, C 18 H 18 O 4 , the dihedral angle between the benzene rings is 9.07 (7) . Intermolecular C-HÁ Á ÁO interactions form chains along the c axis. The crystal structure is further stabilized by C-HÁ Á Á interactions.