In the title compound, 2C6H6N3 +·C6Cl2O42-, the chloranilate dianion lies on an inversion centre. Ions are linked by three N-H·O hydrogen bonds into layers in the form of a (4,4)-net built up from R86(32) and R12(5) rings. The layers are further linked into a three-dimensional network by π-π stacking interactions. © 2006 International Union ...