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The asymmetric unit of the title compound, [Pd(C 6 H 4 NO 2 ) 4 ]·2H 2 O, consists of a quarter of a neutral Pd IV  complex and half of a solvent water mol­ecule. In the complex, the Pd IV  ion is located on a fourfold inversion axis and eight-coordinated in a distorted dodeca­hedral environment by four N and four O atoms from four symmetry-related pyridine-2-carboxyl­ate (pic) anionic ligands. In the crystal, the water mol­ecule is involved in O—H⋯O hydrogen bonding, and weak inter­molecular C—H⋯O hydrogen bonds occur. There are also inter­molecular π–π inter­actions between adjacent pyridine rings, with a centroid–centroid distance of 3.715 (3) Å.

Tetrakis(pyridine-2-carboxylato-κ2N,O)palladium(IV) dihydrate

Tetrakis(pyridine-2-carboxylato-κ²N,O)palladium(IV) dihydrate