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2-Chloro­pyridine-3-carboxylic acid

✍ Scribed by de Souza, Marcus V. N. ;Wardell, Solange M. S. V. ;Howie, R. Alan


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

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✦ Synopsis


The molecules of the title compound, C 6 H 4 ClNO 2 , are almost completely planar. Hydrogen bonds of the form O-HÁ Á ÁN interconnect the molecules to form infinite chains, which are also planar and which are packed face-to-face to form well defined layers of molecules.


📜 SIMILAR VOLUMES


2-Oxo-1,2-dihydro­pyridine-3-carboxylic
✍ Long, Sihui ;Siegler, Maxime ;Li, Tonglei 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 173 KB

The title compound, C 6 H 5 NO 2 , a tautomer of 2-hydroxynicotinic acid, adopts a planar conformation. An intramolecular O-HÁ Á ÁO hydrogen bond of 2.504 (2) A ˚is found. The compound forms one-dimensional hydrogen-bonded chains along the [101] direction via an intermolecular N-HÁ Á ÁO hydrogen bon

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Single-crystal X-ray study T = 300 K Mean '(C±C) = 0.004 A Ê R factor = 0.051 wR factor = 0.119 Data-to-parameter ratio = 16.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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The title compound, C~7~H~5~ClF~3~NO, was synthesized by the reaction of 2-chloro-3-hydroxypyridine with 2-chloro-1,1,1-trifluoroethane. The pyridine ring and the O and Cl atoms are nearly coplanar, the largest deviation from the mean plane being 0.078 (6) Å. Bioassay indicates that the title compou

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Single-crystal X-ray study T = 193 K Mean '(C±C) = 0.002 A Ê R factor = 0.050 wR factor = 0.115 Data-to-parameter ratio = 16.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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