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The new ether-bridged dipyridyl ligand 1,2-bis­[4-(pyridin-3-yl)phen­oxy]ethane (L) has been used to synthesize three isostructural centrosymmetric binuclear HgII macrocycles, namely bis­{μ-1,2-bis­[4-(pyridin-3-yl)phen­oxy]ethane-κ2N:N′}­bis­[dichloridomercury(II)], [Hg2Cl4(C24H20N2O2)2], and the bromido, [Hg2Br4(C24H20N2O2)2], and iodido, [Hg2I4(C24H20N2O2)2], analogues. The Hg atoms adopt a highly distorted tetra­hedral coordination environment consisting of two halides and two pyridine N-donor atoms from two bridging ligands. In the solid state, the macrocycles form two-dimensional sheets in the bc plane through noncovalent Hg...X and X...X (X = Cl, Br and I) inter­actions.
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