Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 3 (March 2013)

organic compounds

Acta Cryst. (2013). E69, o398-o399    [ doi:10.1107/S1600536813004352 ]

N,N-Diethyl­anilinium 5-(5-chloro-2,4-dinitro­phen­yl)-2,6-dioxo-1,2,3,6-tetra­hydro­pyrimidin-4-olate

R. Babykala and D. Kalaivani

Abstract: In the anion of the title salt, C10H16N+·C10H4ClN4O7- [trivial name = N,N-diethyl­anilinium 5-(3-chloro-4,6,-dinitro­phen­yl)barbiturate], the dihedral angle between the benzene and pyrimidine rings is 45.49 (6)°. The mean plane of the nitro group, which is ortho-substituted with respect to the pyrimidine ring, is twisted by 41.57 (13)° from the benzene ring, while the mean plane of the nitro group, which is para-substituted, is twisted by 14.41 (12)° from this ring. In the crystal, N-H...O hydrogen bonds link cations and anions into chains along [1-10]. Within the chains, inversion-related anionic barbiturate anions form R22(8) ring motifs.

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