Acta Cryst. (2009). E65, o2970  [ doi:10.1107/S1600536809044912 ]

1,2-Di-4-pyridylethane N,N'-dioxide-acetic acid (1/2)

E. P. Boron and J. M. Knaust

Abstract: The title compound, C₁₂H₁₂N₂O₂·2C₂H₄O₂, was prepared from 1,2-di-4-pyridylethane, acetic acid, and hydrogen peroxide. The 1,2-di-4-pyridylethane N,N'-dioxide molecule is located on an inversion center. - stacking interactions between neighboring 1,2-di-4-pyridylethane N,N'-dioxide molecules are observed with a centroid-centroid distance of 3.613 Å, an interplanar distance of 3.317 Å, and a slippage of 1.433 Å. O-HO hydrogen-bonding interactions between 1,2-di-4-pyridylethane N,N'-dioxide and acetic acid molecules result in distinct hydrogen-bonded units made of one N-oxide and two acetic acid molecules. These units are then linked into a three-dimensional network through weaker C-HO hydrogen-bonding interactions.

Online 4 November 2009

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