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5-Nitro­salicylaldehyde (2-hydroxy­benzo­yl)hydrazone

✍ Scribed by Xu, Hong-Mei ;Liu, Shi-Xiong

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
300 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

The molecule of the title compound, C~14~H~11~N~3~O~5~, is approximately planar, the dihedral angles between the two aromatic rings being 4.63 (7)°. O—H...N, N—H...O and O—H...O hydrogen bonds and π–π stacking interactions help to consolidate the crystal packing.

📜 SIMILAR VOLUMES

5-Nitro­salicylaldehyde benzoyl­hydrazon
5-Nitro­salicylaldehyde benzoyl­hydrazone
✍ Ali, Hapipah M. ;Puvaneswary, Subramaniam ;Ng, Seik Weng 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 150 KB

Nearly planar molecules of the title compound, C 11 H 11 N 3 O 4 , are linked by O-HÁ Á ÁO hydrogen bonds to form zigzag chains along the c axis; adjacent chains are, in turn, linked by weaker N-HÁ Á ÁO hydrogen bonds to form layers perpendicular to the a axis of the orthorhombic unit cell.

Acetone (2-nitro­phen­yl)hydrazone
Acetone (2-nitro­phen­yl)hydrazone
✍ Jian, Fang-Fang ;Zhuang, Rui-Rui ;Wang, Ke-Fei ;Zhao, Pu-Su ;Xiao, Hai-Lian 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 63 KB

The title compound, C 9 H 11 N 3 O 2 , was prepared by the reaction of 1-(2-nitrophenyl)hydrazine with acetone at room temperature. The molecule is approximately planar and exhibits a weak intramolecular hydrogen-bond interaction.

[3,5-Dibromo­salicylaldehyde (2-hydroxy­
[3,5-Dibromo­salicylaldehyde (2-hydroxy­benzo­yl)hydrazonato-κ3O,N,O′]bis­(pyridine-κN)zinc(II)
✍ Wu, Yu ;Shi, Shao-Min ;Jia, Bing ;Hu, Zong-Qiu 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 139 KB

In the title compound, [Zn(C 14 H 8 Br 2 N 2 O 3 )(C 5 H 5 N) 2 ], the Zn II ion is coordinated by one N and two O atoms from a Schiff base ligand and by the N atoms of two pyridine molecules to form a distorted trigonal-bipyramidal geometry.