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Triethyl-ammonium 1,3-dimethyl-5-(2,4,6-trinitro-phenyl)barbiturate.


ABSTRACT: In the title mol-ecular salt [systematic name: triethyl-ammonium 1,3-dimethyl-2,6-dioxo-5-(2,4,6-trinitro-phen-yl)-1,2,3,6-tetra-hydro-pyrimidin-4-olate], C(6)H(16)N(+)·C(12)H(8)N(5)O(9) (-), the dihedral angle between the aromatic rings in the anion is 46.88?(8)°. The nitro group para to the ring junction is almost coplanar with its attached ring [dihedral angle = 0.76?(3)°], but the two ortho-nitro groups are substanti-ally twisted from the ring plane, by 47.91?(2) and 42.90?(1)°. In the crystal, the cation and anion are linked by an N-H?O=C hydrogen bond; these dimeric associations are further connected by weak C-H?O bonds to form linear supra-molecular chains extending in the [001] direction.

SUBMITTER: Rajamani K 

PROVIDER: S-EPMC3414319 | biostudies-literature | 2012 Aug

REPOSITORIES: biostudies-literature

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Triethyl-ammonium 1,3-dimethyl-5-(2,4,6-trinitro-phenyl)barbiturate.

Rajamani Kulandaiya K   Kalaivani Doraisamyraja D  

Acta crystallographica. Section E, Structure reports online 20120710 Pt 8


In the title mol-ecular salt [systematic name: triethyl-ammonium 1,3-dimethyl-2,6-dioxo-5-(2,4,6-trinitro-phen-yl)-1,2,3,6-tetra-hydro-pyrimidin-4-olate], C(6)H(16)N(+)·C(12)H(8)N(5)O(9) (-), the dihedral angle between the aromatic rings in the anion is 46.88 (8)°. The nitro group para to the ring junction is almost coplanar with its attached ring [dihedral angle = 0.76 (3)°], but the two ortho-nitro groups are substanti-ally twisted from the ring plane, by 47.91 (2) and 42.90 (1)°. In the cryst  ...[more]

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