catena-Poly[[[aqua[3-(2-pyridylsulfanyl)propionato N-oxide-κ O1]copper(II)]-μ-[3-(2-pyridylsulfanyl)propionato N-oxide-κ3 O3: O1, O1′] dihydrate].

In the title complex, {[Cu(C₈H₈NO₃S)₂(H₂O)]·2H₂O} _n, the Cu^II cation has a distorted square-pyramidal coordination environment consisting of five O atoms, one from a water molecule, one from an N—O group and the other three from the carboxylate groups of two 3-(2-pyridylsulfanyl)propionate N-oxide anions. The aqua[3-(2-pyridylsulfanyl)propionato N-oxide]copper(II) moieties are bridged by 3-(2-pyridylsulfanyl)propionate N-oxide anions to form an infinite three-dimensional coordination polymer with a zigzag chain structure. The crystal structure is stabilized by hydrogen bonds. [ABSTRACT FROM AUTHOR]