Bis[2-(2,4-dinitrobenzyl)pyridinium] biphenyl-4,4'-disulfonate trihydrate

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Smith, Graham
Wermuth, Urs D
Young, David J
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2010
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Abstract

In the structure of the title salt, 2C12H10N3O4+烱2H8O6S22-糈2O, determined at 173 K, the biphenyl-4,4'-disulfonate dianions lie across crystallographic inversion centres with the sulfonate groups interacting head-to-head through centrosymmetric cyclic bis(water)-bridged hydrogen-bonding associations [graph set R44(11)], forming chains. The 2-(2,4-dinitrobenzyl)pyridinium cations are linked to these chains through pyridinium-water N-HO hydrogen bonds and a two-dimensional network is formed through water bridges between sulfonate and 2-nitro O atoms, while the structure also has weak cation-anion - aromatic ring interactions [minimum ring centroid separation = 3.8441 (13) ŝ.

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Acta Crystallographica. Section E: Structure Reports Online

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E66

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5

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© The Author(s) 2010. For information about this journal please refer to the journal's website. All articles published in Acta Crystallographica Section E are open access and distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. See http://creativecommons.org/licenses/by/2.0/uk/legalcode

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Chemical sciences

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