(E)-1-(4-Hydroxybenzylidene)semicarbazide hemihydrate
✍ Scribed by Tai, Xi-Shi ;Hao, Ming-Yang ;Yin, Jie ;Liang, Zu-Pei
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 207 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
In the title compound, C 16 H 17 N 5 O 2 S, the configuration is trans about the formal C N bond. The molecular conformation is stabilized by an intramolecular N-HÁ Á ÁN hydrogen bond.
The title compound, C 13 H 11 N 3 O 2 , was prepared by the reaction of pyridine-4-carboxylic acid hydrazide and phydroxybenzaldehyde in ethanol. In the crystal structure, all non-H atoms are coplanar, with an r.m.s. deviation of 0.096 A ˚. N-HÁ Á ÁN, O-HÁ Á ÁN and O-HÁ Á ÁO intermolecular hydrogen
In the title compound, [Fe(C 5 H 5 )(C 13 H 10 Br)], the benzene ring makes a dihedral angle of 14.1 (2) with the substituted cyclopentadienyl ring. The bond distances imply that there is no conjugation between the cyclopentadienyl and benzene rings.