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Acta Cryst. (2013). E69, o539-o540
[ doi:10.1107/S1600536813006673 ]

5-Amino-6-methylquinolin-1-ium 3-carboxypropanoate

K. Thanigaimani, N. C. Khalib, S. Arshad and I. A. Razak

Abstract: The asymmetric unit of the title salt, C10H11N2+·C4H5O4-, consists of two independent 5-amino-6-methylquinolin-1-ium cations and two 3-carboxypropanoate anions. Both cations are protonated at the pyridine N atoms and are essentially planar, with maximum deviations of 0.026 (3) and 0.016 (2) Å. In the crystal, the cations and anions are linked via N-H...O and O-H...O hydrogen bonds, forming a layer parallel to the ab plane. In the layer, weak C-H...O hydrogen bonds and [pi]-[pi] stacking interactions, with centroid-to-centroid distances of 3.7283 (15) and 3.8467 (15) Å, are observed. The crystal structure also features weak C-H...O hydrogen bonds between the layers.

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