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In the title complex, [Cu(NO 3 ) 2 (C 10 H 8 N 2 )], the Cu II  cation is chelated by two nitrate anions and by one 2,2′-bi­pyridine ligand in a distorted N 2 O 4  octa­hedral geometry. The dihedral angle between the pyridine rings is 1.92 (11)°. In the crystal, π–π stacking between parallel pyridine rings of adjacent complex mol­ecules is observed, the centroid–centroid distance being 3.6788 (19) Å. Weak C—H⋯O hydrogen bonds further link the mol­ecules into a three-dimensional supra­molecular architecture.

(2,2′-Bipyridine-κ2N,N′)bis(nitrato-κ2O,O′)copper(II)

(2,2′-Bipyridine-κ²N,N′)bis(nitrato-κ²O,O′)copper(II)