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Acta Cryst. (2007). E63, m1919 [ doi:10.1107/S1600536807028152 ]
Abstract: The reaction of aluminium(III) sulfate with piperazinediium pyridine-2,6-dicarboxylate, (pipzH2)(pydc), where pipz is piperazine and pydcH2 is pyridine-2,6-dicarboxylic acid, in aqueous solution leads to the formation of the title complex, (C4H12N2)1/2[Al(H2O)6](SO4)2·4H2O. The crystal structure of this compound has been published previously [Bataille (2003), Acta Cryst. C59, m459-m461], and our report is a redetermination of the structure at 100 K. As previously observed, intermolecular O-H
O and N-HO hydrogen bonds result in the formation of a three-dimensional network and a supramolecular structure.
Online 15 June 2007
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