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Figure 1 A view of the asymmetric unit of the title structure together with a symmetry related cation and their hydrogen bonds (dashed lines) to adjacent ions. Displacement ellipsoids are drawn at the 45% probability level (′ = –x, 1 – y, –z). The green numbers mark the ring size of the first level (10) graph-set descriptor for the cyclic dimer consisting of two dpmaH+ cations.) |