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Figure 1 The molecular structure of the dimer cation showing the atomic labels for non-carbon atoms and 50% probability displacement ellipsoids [symmetry codes: (i) −y, x − y, z; (ii) −x + y, −x, z]. H atoms have been removed for clarity, except for the bridging hydroxy H atoms, each of which is disordered over two positions. Dashed lines denote hydrogen bonds. |
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