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The sulfate anion acts as a bridging ligand between the copper(II) ions in the linear polymeric chain of the title compound, [Cu(SO4)(C6H6N2O)2(H2O)2]n. Distorted octahedral coordination about copper(II) is achieved by two ring N atoms of the nicotinamide groups, in cis conformation [Cu-N 2.016 (3) and 2.018 (3) Å], by two water molecules [Cu-OW 1.986 (3) and 1.989 (3) Å], and by two O atoms of two sulfate moieties [Cu-O 2.418 (3) and 2.421 (3) Å].

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks v37, global

hkl

Structure factor file (CIF format)
Contains datablock v37m

CCDC reference: 129805

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