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Acta Cryst. (2008). E64, o692 [ doi:10.1107/S1600536808006132 ]
Abstract: In the title molecule, C22H16N2O10, the dihedral angles between the benzene rings of the 4-nitrophenyl groups and the central benzene ring are 32.7 (1) and 34.7 (1)°, while the dihedral angle between the two benzene rings of the 4-nitrophenyl groups is 3.6 (2)°. In the crystal structure, weak intermolecular C-H
O hydrogen bonds link molecules into centrosymmetric dimers.
Online 12 March 2008
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