3,5-Bis(4-methylbenzoyl)-2,6-bis(4-methylphenyl)-4H-pyran-4-one
✍ Scribed by Dinçer, Muharrem ;Yıldırım, İsmail ;Koca, İrfan ;Özdemir, Namık
- Publisher
- International Union of Crystallography
- Year
- 2004
- Tongue
- English
- Weight
- 263 KB
- Volume
- 60
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.051 wR factor = 0.140 Data-to-parameter ratio = 15.2 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 = 293 K Mean '(C±C) = 0.005 A Ê Disorder in main residue R factor = 0.050 wR factor = 0.121 Data-to-parameter ratio = 12.8 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
The crystal and molecular structure of the title compound, C 19 H 20 Cl 2 O 2 , reveals a chair conformation for the pyran ring in which the hydroxyl group is axially oriented. All the other substituents occupy equatorial positions. There are two molecules in the asymmetric unit.