The title compound, C(4)H(12)N(2) (2+)·2C(2)H(2)NO(3) (-), contains a network of doubly protanated piperazinium cations (lying about centres of inversion) and dioxamate anions. The piperazinium dication adopts a typical chair conformation. The crystal structure is stabilized by cation-to-anion N-H⋯O and anion-to-anion N-H⋯O hydrogen bonds.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2977693 | PMC |
http://dx.doi.org/10.1107/S1600536809012513 | DOI Listing |
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