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Figure 8
A perspective view of the partial packing of (II)[link], showing how the piperazinediium ions lie between the hydrogen tartrate layers in the unstable axial conformation, stabilized by eight inter­molecular hydrogen bonds formed by five tartrate ions and a water mol­ecule. (Symmetry codes as in Table 4[link].)

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 66| Part 1| December 2010| Pages o20-o24
doi:10.1107/S0108270109046460
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