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Figure 1 View of the H-bonded dimeric unit, with the atom numbering scheme. Only one of the two disordered carboxylate hydrogens is shown (the one attached to O1, in broken circles; the one attached to O2, omited for clarity). Thermal ellipsoids are drawn at the 50% probability level. Thin dotted lines represent intramolecular H-bonds, while intermoleculer ones, linking dimers through an (8) ring motif are shown as thick broken lines. |