(4e)-1-phenyl-4-{[(pyridin-2-yl)amino]methylidene}pyrazolidine-3,5-dione

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ID: 179801
2016
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Abstract
The title compound, C15H12N4O2, contains two independent molecules in the asymmetric unit. These differ in terms of dihedral angles that the phenyl and 2-pyridyl rings subtend with the central five-membered ring; 15.2 (2) and 2.9 (2)°, respectively, in one molecule, 8.9 (2) and 5.1 (2)°for the second. In the crystal, the independent molecules each self-associate to form layers through N—H...O and C—H...O hydrogen bonding. The layers associate through π–π interactions between the phenyl rings and isolated carbon–carbon double bonds [shortest midpoint–centroid distance = 3.347 (4) Å]. The crystal studied was refined as a two-component twin.
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mohamed2016iucrdata(4e)-1-phenyl-4-{[(pyridin-2-yl)amino]methylidene}pyrazolidine-3,5-dione Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Shaaban K. Mohamed;Joel T. Mague;Mehmet Akkurt;Ahmed Khodairy;Mustafa R. Albayati;Eman A. Ahmed
Journal lecture notes in civil engineering
Year 2016
DOI
10.1107/S2414314616009093
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