N,N-Diethylanilinium 5-(5-chloro-2,4-dinitrophenyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate
نویسندگان
چکیده
In the anion of the title salt, C10H16N(+)·C10H4ClN4O7(-) [trivial name = N,N-diethyl-anilinium 5-(3-chloro-4,6,-dinitro-phen-yl)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 R2(2)(8) ring motifs.
منابع مشابه
N,N-Diethyl-2-hydroxyethanaminium 5-(5-chloro-2,4-dinitrophenyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate hemihydrate
The asymmetric unit of the title salt, C(6)H(16)NO(+)·C(10)H(4)ClN(4)O(7) (-)·0.5H(2)O, contains two cations, two anions and one water mol-ecule. In one independent anion, one nitro group is rotationally disordered over two orientations in a 0.657 (8):0.343 (8) ratio. In the crystal, inter-molecular N-H⋯O and O-H⋯O hydrogen bonds link all the components into ribbons extending along [100].
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The asymmetric unit of the title mol-ecular salt, C10H16N(+)·C10H5N4O7(-) (trivial name: N,N-diethyl-anilinium 2,4-dinitro-phenyl-barbiturate), comprises two anion-cation units. In the anions, the dinitro-phenyl ring and the mean plane of the barbiturate ring [planar to within 0.011 (2) and 0.023 (2) Å in the two anions] are inclined to one another by 41.47 (9) and 45.12 (9)°. In the crystal, t...
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In the title mol-ecular salt [systematic name: 2-methyl-pyridinium 5-(2,4-dinitro-phen-yl)-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetra-hydro-pyrimidin-4-olate], C(6)H(8)N(+)·C(12)H(9)N(4)O(7) (-), the cation and anion are linked a through strong N-H⋯O hydrogen bond. In the crystal, C-H⋯O inter-actions link the ions, generating a chain along [010].
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The asymmetric unit of the title salt C9H8N(+)·C12H9N4O7 (-), which exhibits anti-convulsant and hypnotic activities, comprises one anion and one cation inter-acting via an N-H⋯O hydrogen bond. In the anion, the six-membered rings are inclined each to other at 42.78 (9)°. The nitro groups in the 2,4-di-nitro-phenyl fragment attached to the aromatic ring in the para and ortho positions are twist...
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