Abstract
In the title compound, 2C7H7N2O+·C2O4
2−, proton transfer from oxalic acid to the N atom of the heterocycle has occurred to form a 2:1 molecular salt. In the extended structure, N—H...O hydrogen bonds link the components into [100] chains, which feature R
2
2(8) and R
4
4(14) loops.
Funder
Ministry of Higher Education, Science and Innovation of the Republic of Uzbekistan
Publisher
International Union of Crystallography (IUCr)