Bis(guanidinium) pyrazine-2, 3-dicarboxylate trihydrate
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The title compound, 2CH6N3+烶H2N2O42-糈2O, forms a three-dimensional hydrogen-bonded framework structure involving all six protons of the guanidinium cation as donors to the carboxylate O and hetero N atoms of the anions, as well as to the water molecules of solvation. The anions and one of the water molecules lie on crystallographic twofold rotational axes.
Acta crystallographica. Section E, Structure reports online
Copyright 2006 International Union of Crystallography. Published by Blackwell Publishing Ltd. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.