The crystal structure of the title compound, C6H7N2O2+·NO3−, is built up from 4-nitroanilinium cations and nitrate anions. The NO2 group is coplanar with the aryl ring, which shows significant distortion from the ideal hexagonal form. The NO3− anion is planar but shows distortion from the C3h symmetry that is predicted by molecular orbital calculations. Two of the three O atoms of the NO3 group are involved in hydrogen bonds as acceptors.
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Document Type: Research Article
Publication date: 2004-10-01