The title compound, C 29 H 24 O 2 , has mirror symmetry with the cyclopropane C atoms lying on the mirror plane. The fluorene system is essentially planar and makes dihedral angles of 91.43 (4) and 23.50 (6) with the cyclopropane and substituted benzene rings, respectively.
2,7-Dibromo-9,9-bis(4-hydroxyphenyl)-9H-fluorene
✍ Scribed by Nadeau, Nathalie ;McFarlane, Shaune ;McDonald, Robert ;Veinot, Jonathan G. C.
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 291 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
In the solid state, the title compound, C 25 H 16 Br 2 O 2 , shows significant deviations of the fluorene ring system from planarity. A layered hydrogen-bonded structure is formed that may serve as a model for the solid-state structure of phenol-functionalized polyfluorene.
📜 SIMILAR VOLUMES
In the title compound, C~27~H~30~S, the dihedral angle between the fluorene and benzene ring systems is 37.6 (5)°.
In the title compound, C 18 H 12 N 2 O 2 , the carbazole ring system is essentially planar and makes a dihedral angle of 53.08 (4) with the plane of the nitrobenzene ring. In the crystal structure, inversion-related molecules form a C-HÁ Á ÁO hydrogen-bonded dimer.
The title molecule, C~26~H~18~BrN, adopts the __Z__ configuration and shows normal values of bond lengths and angles. The crystal packing is stabilized by van der Waals forces.