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3-Phenyl­pyrazole, a pseudosymmetric structure with Z′ = 6

✍ Scribed by Haghiri, Alireza ;Lerner, Hans-Wolfram ;Wagner, Matthias ;Bats, Jan W.

Publisher
International Union of Crystallography
Year
2002
Tongue
English
Weight
468 KB
Volume
58
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C 9 H 8 N 2 , is triclinic (space group P1 with Z H = 6). Six molecules are connected by NÐHÁ Á ÁN hydrogen bonds into centrosymmetric hexamers. The two independent hexamers are related by a pseudosymmetric glide plane.

📜 SIMILAR VOLUMES

Ethyl 1-acetyl-3-amino-1H-pyrazole-4-car
Ethyl 1-acetyl-3-amino-1H-pyrazole-4-carboxyl­ate, a tetra­gonal structure with Z′ = 4
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Single-crystal X-ray study T = 100 K Mean (C-C) = 0.002 A R factor = 0.046 wR factor = 0.115 Data-to-parameter ratio = 15.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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## Abstract magnified image Reactions of 3‐cyanochromones with phenylhydrazine gave the corresponding 5‐amino‐4‐salicyloyl‐1‐phenylpyrazoles, 2‐aminochromone‐3‐carbaldehyde __N__‐phenylhydrazones, and 1‐phenylchromeno[4,3‐__c__]pyrazol‐4(1__H__)‐one, depending on the reaction conditions. With methy