Ethylenediaminium pyridine-2,5-dicarboxylate dihydrate

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Smith, Graham
Wermuth, Urs D
Young, David J
Healy, Peter C
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John R Helliwell

Date
2006
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Abstract

The title compound, C2H10N22+烷H3NO42-粈2O, forms a three-dimensional hydrogen-bonded framework structure in which both of the amine groups of ethyl�ediamine are protonated and participate in a total of six hydrogen-bonding inter�tions with carboxyl�e O-atom acceptors of the anions as well as the water mol�ules. The cations lie on crystallographic inversion centres and adopt extended conformations, while the anions have twofold rotational symmetry. This results in the pyridine N atom and its ortho-related CH group being disordered over two 50% occupancy sites.

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Acta crystallographica. Section E, Structure reports online

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62

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7

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© The Author(s) 2006. 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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