(2,2-BipyridineN,N′-dioxide-κ2O,O′)dichloromercury(II)

In the crystal structure of the title compound, [HgCl2(C10H8N2O2)], the Hg atom has severely distorted tetrahedral coordination by two Cl atoms and by two O atoms of the chelating ligand. Additional weak Hg⋯Cl bonds link the mol­ecules into a chain.