The title compound, C 32 H 28 O 4 , crystallizes with two conformers, and , in the asymmetric unit. In both conformers, the benzoyl and methoxyphenyl groups are in cis positions. The cyclobutane rings are puckered, with average absolute torsion angles of 10.8 (2) and 11.4 (1) for conformers and , re
1,4-Bis(4-methoxyphenyl)buta-1,3-diyne
✍ Scribed by She, Neng-Fang ;Guo, Hui-Zhen ;Cao, Li-Ping ;Gao, Meng
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 165 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
The molecular structure of (I), with the atom numbering scheme. Displacement ellipsoids are drawn at the 30% probability level.
In the title compound, C 22 H 18 O 2 S, the two benzene rings are twisted away from the thiophene ring by 34.99 (9) and 41.57 (9) . C-HÁ Á ÁO and C-HÁ Á Á hydrogen bonds are observed in the crystal structure.
In the title compound, C 17 H 16 O 3 , the dihedral angle between the benzene rings is 10.05 (9) . Intermolecular C-HÁ Á ÁO hydrogen bonds link the molecules to form chains along the b axis. The crystal structure is further stabilized by C-HÁ Á Á interactions.
The planar molecules of the title compound, C 15 H 13 FO 2 , are normal. The non-centrosymmetric crystal packing may be influenced by weak C-HÁ Á ÁO and C-HÁ Á ÁF interactions.