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5-Amino-2,4,6-triiodoisophthalic acid-4,4'-bipyridine N,N'-dioxide-water (1/1/1)

Acta Crystallographica Section E

Structure Reports Online

Volume 67, Part 4 (April 2011)


organic compounds



bt5482 scheme

Acta Cryst. (2011). E67, o793    [ doi:10.1107/S1600536811007276 ]

5-Amino-2,4,6-triiodoisophthalic acid-4,4'-bipyridine N,N'-dioxide-water (1/1/1)

K.-L. Zhang, J.-B. Zhang and S. W. Ng

Abstract: The aromatic rings of the N,N'-dioxide molecule in the title compound, C8H4NI3O4·C10H8N2O2·H2O, are twisted by 14.0 (2)°. The -CO2H substituents of the 5-amino-2,4,6-triiodoisophthalic acid are twisted by 83.0 (2) and 86.5 (2)° out of the plane of the aromatic ring. In the crystal, the three components are linked by O-H...O hydrogen bonds into a three-dimensional network. An N-H...O interaction also occurs. One of the amino H atom is not involved in hydrogen bonding.

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