The title compound, C 20 H 14 F 4 N 4 O 2 , has been synthesized as part of our ongoing investigations into three-dimensional supramolecules or polymers with intriguing structural topologies and properties. The molecule crystallizes around a inversion centre, with one half-molecule in the asymmetric
N,N′-[(2,3,5,6-Tetrafluoro-1,4-phenylene)dimethylene]bis(pyridine-2-carboxamide)
✍ Scribed by Chen, Sheng-Chun ;Yin, Fang-Hua ;He, Ming-Yang ;Yan, Kang ;Chen, Qun
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 108 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The title compound, C 20 H 14 F 4 N 4 O 2 , is centrosymmetric. The dihedral angle between the pyridine and benzene ring is 64.8 (4) . The crystal structure is stabilized by intermolecular N-HÁ Á ÁO hydrogen bonding.
📜 SIMILAR VOLUMES
In the title dinuclear palladium complex, [Pd~2~Cl~4~(C~29~H~46~N~2~)], the terminal ligands adopt an __anti__ configuration, with an intramolecular metal–metal distance of 3.3625 (5) Å. The dinuclear palladium complex adopts a V-shaped conformation, with a dihedral angle of 152.67 (3)° between the
In the title compound, [Ag 2 (C 8 H 6 N 4 OS) 2 ](ClO 4 ) 2 , each Ag I center in the centrosymmetric dinuclear complex cation is coordinated by one pyridine N and a thiadiazole N atom of two inversion-related N-(1,3,4-thiadiazol-2-yl)pyridine-3carboxamide ligands in an almost linear geometry [Ag-N
The title compound, [Cr(CN)~2~(C~12~H~8~N~2~)~2~][Cr(N~3~)~2~(C~18~H~12~N~4~O~2~)]·H~2~O, contains [Cr^III^(CN)~2~(phen)~2~]^+^ cations (phen is 1,10-phenanthroline) and [Cr^III^(N~3~)~2~(bpb)]^−^ anions [bpb is 1,2-bis(pyridine-2-carboxamido)benzene or __N__,__N__′-(__o__-phenylene)bis(pyridine-2-c