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In the anion of the title compound, (C(14)H(11)N(4))[AuCl(4)], the Au(III) atom has an almost perfect square-planar coordination. In the crystal structure, an intra-molecular N-H⋯N and intermolecular C-H⋯Cl hydrogen bonds are observed. In addition, there is also a ring-metal inter-action between the pyrazine ring and the Au(III) atom; the distance between the centroid of the pyrazine ring and the Au(III) atom is 3.628 (2) Å.

2-[3-(2-Pyridyl)pyrazin-2-yl]pyridinium tetrachloridoaurate(III)