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Acta Cryst. (2012). E68, o3120
[ doi:10.1107/S160053681204189X ]

1-(2-Ammonioethyl)piperazin-1,4-diium dihydrogenophosphate monohydrogenophosphate

M. L. Mrad, V. Ferretti, M. Rzaigui and C. Ben Nasr

Abstract: The structure of the title compound, C6H18N3·HPO4·H2PO4, is characterized by two kinds of inorganic chains running along the a-axis direction. The first one is composed of HPO42- anions, while the second one is built up by H2PO4- anions. Both types of chains are held together by O-H...O hydrogen bonds. The organic cations are attached to these chains through N-H...O and C-H...O hydrogen bonds. The piperazin-1,4-diium ring adopts a chair conformation.

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