The molecule of the title compound, C 20 H 16 Br 2 , displays crystallographic inversion symmetry. Two C-HÁ Á ÁBr interactions link the molecules into layers parallel to (111). The shortest BrÁ Á ÁBr contact is 4.1599 (4) A ˚.
2,5,2′′,5′′-Tetramethyl-p-terphenyl
✍ Scribed by Jones, Peter G. ;Kuś, Piotr ;Pasewicz, Anna
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 147 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
The title compound, C 16 H 6 F 12 , has been obtained as a byproduct of the reaction between 2,5-bis(trifluoromethyl)phenyllithium and zinc(II) chloride. The asymmetric unit contains two independent molecules with a similar almost perpendicular conformation of the biphenyl fragments.
The title compound, C 33 H 25 BrN 4 , belongs to the class of substituted tetrazoles. This type of compound is an important starting material for the synthesis of pharmaceutically active materials.
The title molecule, C 10 H 10 Br 4 , lies on a crystallographic inversion center which is located at the center of the benzene ring. The crystal structure is stabilized by intermolecular BrÁ Á ÁBr and C-HÁ Á ÁBr interactions.