N,N′-Bis(2-pyridyl)naphthalene-1,4-carboxamide
✍ Scribed by Jing, Lin-Hai ;Gu, Shao-Jin ;Zhang, Huan-Xia
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 98 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
No coin nor oath required. For personal study only.
✦ Synopsis
The title compound, C 22 H 16 N 4 O 2 , crystallizes in an anti C O conformation. The two amide groups are twisted away from the attached ring by 69.94 (6) and 62.99 (7) . The crystal packing is stabilized by N-HÁ Á ÁN and C-HÁ Á ÁO hydrogen bonds, and also by C-HÁ Á Á interactions.
📜 SIMILAR VOLUMES
The title compound, C 16 H 18 N 4 S 2 , has a crystallographic inversion centre at the mid-point of the central C-C bond. The plane of the dithiooxamide fragment is approximately perpendicular to the plane of the dimethylene bridge [dihedral angle = 84.8 (1) ], the plane of which is in turn normal t
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.043 wR factor = 0.104 Data-to-parameter ratio = 13.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
2-Methyl
The EPY molecule has a centre of symmetry and the pyridylethyl groups are attached to the perylene-imide skeleton in a trans fashion. The EPY molecules are stacked along the a axis with a slip angle of about 47 .