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Acta Cryst. (2013). E69, o689
[ doi:10.1107/S1600536813008647 ]

2-[3-(Pyridin-1-ium-2-yl)-1H-pyrazol-1-yl]-6-[3-(pyridin-2-yl)-1H-pyrazol-1-yl]pyridinium sulfate methanol monosolvate

L. Huang and M. Shu

Abstract: The title solvated salt, C21H17N72+·SO42-·CH3OH, was obtained when we attempted to prepare the complex of ferrous sulfate and 2,6-bis[3-(pyridin-2-yl)-1H-pyrazol-1-yl]pyridine in methanol. The dihedral angles between adjacent pyridine and pyrazole rings range from 3.8 (1) to 13.4 (1)°. An intramolecular N-H...N hydrogen bond occurs. In the crystal, N-H...O and O-H...N hydrogen bonds between solvent methanol molecules and the cations generate zigzag chains along [110].


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