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The central copper(II) atom of the title salt, {[Cu(CF 3 SO 3 )(CH 3 CN) 2 (C 12 H 12 N 2 O 2 )](CF 3 SO 3 )} n or [[Cu(CH 3 CN) 2 (diOMe-bpy)(CF 3 SO 3 )](CF 3 SO 3 )] n where diOMe-bpy is 4,4′-dimethoxy-2,2′-bipyridine, C 12 H 12 N 2 O 2 , is sixfold coordinated by the N atoms of the chelating bipyridine ligand, the N atoms of two acetonitrile molecules, and two trifluoromethanesulfonate O atoms in a tetragonally distorted octahedral shape. The formation of polymeric chains [Cu(CH 3 CN) 2 (diOMe-bpy)(CF 3 SO 3 )] + n leaves voids for the non-coordinating trifluoromethanesulfonate anions that interact with the complex through weak hydrogen bonds. The presence of weakly coordinating ligands like acetonitrile and trifluoromethanesulfonate makes the title compound a convenient starting material for the synthesis of novel metal–organic frameworks.

iucrdata

catena-Poly[[[bis(acetonitrile-κN)(4,4′-dimethoxy-2,2′-bipyridine-κ2 N,N′)copper(II)]-μ-trifluoromethanesulfonato-κ2 O:O′] trifluoromethanesulfonate]