• In the molecule of the title compound, C14H16ClN3O, the benzene and pyrazole rings are oriented at a dihedral angle of 3.50 (3)°. In the crystal structure, intermolecular N-H...O hydrogen bonds link the molecules into chains. A [pi]-[pi] contact between the benzene and pyrazole rings [centroid-centroid distance = 3.820 (3) Å] may further stabilize the structure. Key indicators: single-crystal X-ray study; T = 173 K; mean σ(C–C) = 0.002 Å; R factor = 0.031; wR factor = 0.086; data-to-parameter ratio = 14.1.

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Author:Aamer SaeedORCiD, Shahid Hussain, Michael BolteORCiD
Parent Title (English):Acta crystallographica / Section E, Structure reports online
Document Type:Article
Year of Completion:2009
Year of first Publication:2009
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2009/09/08
This is an open-access article distributed under the terms of the Creative Commons Attribution Licence http://creativecommons.org/licenses/by/2.0/uk/legalcode, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Source:Acta Crystallographica Section E, Structure Reports Online, 2009, E65, o1231 ; doi:10.1107/S1600536809016250
Institutes:Biochemie, Chemie und Pharmazie / Biochemie und Chemie
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Licence (German):License LogoCreative Commons - Namensnennung 2.0