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2′-(4-Hydroxy­benzyl­idene)isonicotinohydrazide monohydrate

✍ Scribed by Tai, Xi-Shi ;Kong, Fan-Yuan ;Yin, Jie

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
111 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

The bond lengths in the title compound, C 13 H 11 N 3 O 2 ÁH 2 O indicate that the organic molecule exists in the keto form. A network of O-HÁ Á ÁO, O-HÁ Á ÁN and N-HÁ Á ÁO hydrogen bonds helps to consolidate the crystal packing.

📜 SIMILAR VOLUMES

N′-(4-Hydroxy­benzyl­idene)isonicotinohy
N′-(4-Hydroxy­benzyl­idene)isonicotinohydrazide
✍ Deng, Qi-Liang ;Yu, Ming ;Chen, Xin ;Diao, Chun-Hua ;Jing, Zuo-Liang ;Fan, Zhi 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 329 KB

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

N′-(4-Hydr­oxy-3-methoxy­benzyl­idene)is
N′-(4-Hydr­oxy-3-methoxy­benzyl­idene)isonicotinohydrazide monohydrate
✍ Shi, Xue-Fang ;He, Lei ;Ma, Guo-Zhun ;Yuan, Cui-Cui 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 267 KB

The asymmetric unit of the title compound, C~14~H~13~N~3~O~3~·H~2~O, contains one molecule of __N__′-(4-hydroxy-3-methoxybenzylidene)isonicotinohydrazide and one solvent water molecule. The crystal packing is stabilized by O—H...N and O—H...O hydrogen bonds.