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Acta Cryst. (2008). E64, m1598 [ doi:10.1107/S1600536808038415 ]
Abstract: The title compound, (C7H9N2O2)2[HgCl4], self-assembles into cationic organic bilayers containing the 2-methyl-4-nitroanilinium cations, sandwiched between anionic inorganic layers built up by the distorted tetrahedral [HgCl4]2- groups. The organic sheets are interlinked through weak C-H
O hydrogen bonds, while they interact with the anionic part via strong charge-assisted N+-HCl-Hg hydrogen bonds. The [HgCl4]2- anions are bisected by a mirror plane passing through the metal and two of the chloride ions.
Online 22 November 2008
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