Bis[(E)-4-(hydroxyiminomethyl)pyridinium] oxalate
Rüdiger W. Seidel, Manuela V. Winter, Iris M. Oppel
Acta Crystallographica Section E · 2008
doi:10.1107/s1600536807064136 (opens in a new tab)
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Abstract
The formula unit of the title compound, 2C6H7N2O+·C2O42−, comprises two symmetry-equivalent 4-(hydroxyiminomethyl)pyridinium cations on general positions, linked through hydrogen bonding via an oxalate anion that resides on a crystallographic centre of symmetry. The crystal structure consists of infinite chains of cations and oxalate anions directed by O—H...O and multicentre N—H...O intermolecular hydrogen-bonding interactions.
Abstract licence: CC BY
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