Acta Cryst. (2013). E69, o42-o43 [ doi:10.1107/S1600536812049483 ]
Abstract: The quinoline ring system of the title salt, C11H12NO+·HSO4-, is essentially planar, with a maximum deviation of 0.054 (2) Å for all non H atoms. In the crystal, the cations and anions are linked via N-HO, O-HO and weak C-HO hydrogen bonds, and are stacked respectively in columns along the a axis. - stacking interactions, with centroid-centroid distances of 3.5473 (12) and 3.6926 (12) Å, are also observed. The crystal studied was an inversion twin with refined components of 0.43 (7):0.57 (7).
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