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Acta Cryst. (2013). E69, o1773-o1774
[ doi:10.1107/S1600536813030274 ]

(E)-2-[2-(4-Carb­oxy­phen­yl)ethen­yl]-8-hydroxy­quinolin-1-ium chloride ethanol monosolvate

M. M. Schulze, W. Seichter and E. Weber

Abstract: In the title compound, C18H14NO3+·Cl-·CH3CH2OH, the dihedral angle formed by the mean planes of the quinolinium and benzene rings is 3.4 (1)°, while the carb­oxy substituent is tilted at an angle of 4.8 (1)° with respect to the benzene ring. There is a short N-H...O contact in the cation. In the crystal, due to the planar mol­ecular geometry, two-dimensional aggregates are formed parallel to (221) via C-H...O, C-H...Cl, O-H...Cl and N-H...Cl hydrogen bonds. Inter­layer association is accomplished by O-Hethanol...Cl and O-H...Oethanol hydrogen bonds and [pi]-[pi] stacking inter­actions [centroid-centroid distances vary from 3.6477 (12) to 3.8381 (11) Å]. A supra­molecular three-dimensional architecture results from a stacked arrangement of layers comprising the ionic and hydrogen-bonded components.

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