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4-[(4-Hydroxy­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one monohydrate

✍ Scribed by Jing, Zuo-Liang ;Fan, Zhi ;Yu, Ming ;Chen, Xin ;Deng, Qi-Liang

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
191 KB
Volume
61
Category
Article
ISSN
1600-5368

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📜 SIMILAR VOLUMES

4-[(3-Hydroxy­benzyl­idene)amino]-1,5-di
4-[(3-Hydroxy­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Jing, Zuo-Liang ;Fan, Zhi ;Yu, Ming ;Chen, Xin ;Diao, Chun-Hua ;Deng, Qi-Liang 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 182 KB

The structure of (I), with displacement ellipsoids for non-H atoms drawn at the 30% probability level.

4-[(4-Methoxy­benzyl­idene)amino]-1,5-di
4-[(4-Methoxy­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Jing, Zuo-Liang ;Guo, Min-Jie ;Chen, Xin ;Ming, Yu 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 224 KB

The crystal structure of the title compound, C 19 H 19 N 3 O 2 , shows the molecule to be essentially planar with the exception of the terminal phenyl group. Molecules are associated via intermolecular C-HÁ Á ÁO hydrogen bonds.

(E)-4-[(4-Bromo­benzyl­idene)amino]-1,5-
(E)-4-[(4-Bromo­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Yan, Guo-Bing ;Zheng, Yun-Fa ;Zhang, Chun-Niu ;Yang, Ming-Hua 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 190 KB

Single-crystal X-ray study T = 291 K Mean (C-C) = 0.005 A R factor = 0.051 wR factor = 0.113 Data-to-parameter ratio = 15.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

(E)-4-[(2-Bromo­benzyl­idene)amino]-1,5-
(E)-4-[(2-Bromo­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Zhang, Chun-Niu ;Yang, Ming-Hua ;Yan, Guo-Bing ;Zhou, Ying-Ming 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 106 KB

In the title compound, C~18~H~16~BrN~3~O, the pyrazole ring is planar but substituent atoms are displaced from the mean plane. Weak C—H...Br and C—H...O hydrogen bonding between molecules helps to stabilize the crystal structure.