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Ethyl 1,5-diphenyl-1H-pyrazole-4-carboxylate

Fun, Hoong-Kun and Quah, Ching Kheng and Chandrakantha , B and Isloor, Arun M and Shetty, Prakash (2010) Ethyl 1,5-diphenyl-1H-pyrazole-4-carboxylate. Acta Crystallographica Section E, 66 (9). pp. 2282-2283. ISSN 1600-5368

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Abstract

The asymmetric unit of the title compound, C18H16N2O2, contains two independent molecules (A and B). In molecule A, the pyrazole ring is inclined at angles of 48.86 (6) and 60.80 (6)' with respect to the two phenyl rings; the corresponding angles for molecule B are 46.86 (6) and 58.63 (6)'. In the crystal, molecules of type A are linked into sheets parallel to (001) via weak C—H...O hydrogen bonds, whereas the molecules of type B are linked into chains along [010] via weak C—H...O hydrogen bonds.

Item Type: Article
Additional Information: © International Union of Crystallography
Uncontrolled Keywords: single-crystal X-ray study; T = 100 K; mean (C–C) = 0.002 A° ;R factor = 0.046; wR factor = 0.128; data-to-parameter ratio = 25.8.
Subjects: Engineering > MIT Manipal > Chemistry
Engineering > MIT Manipal > Printing and Media
Depositing User: MIT Library
Date Deposited: 10 Jan 2012 10:40
Last Modified: 10 Jan 2012 10:40
URI: http://eprints.manipal.edu/id/eprint/2055

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