title: Aqua-(pyridine-3-carb-oxy-lic acid-κN)(pyridine-2,6-dicarboxyl-ato-κO,N,O)copper(II) monohydrate.
abstract: In the title Cu(II) complex, [Cu(C(7)H(3)NO(4))(C(6)H(5)NO(2))(H(2)O)]·H(2)O, the environment of the Cu(2+) ion is a distorted square pyramid with the axial site occupied by the O atom from the coordinated water mol-ecule and the square base formed by two O and two N atoms from the tridentate anion and the neutral monodentate pyridine-3-carboxylic acid ligand. O-H⋯O hydrogen bonds, as well as π-π inter-actions [centroid-centroid distance = 3.945 (3) Å] contribute to the stabilization of this structure.
authors.affiliation: School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, People's Republic of China.
authors.forename: Ting Ting
authors.initials: TT
authors.lastname: Chen
authors.forename: Yan Fang
authors.initials: YF
authors.lastname: Shang
authors.forename: Xia
authors.initials: X
authors.lastname: Xi
authors.forename: Yue Hua
authors.initials: YH
authors.lastname: Zhang
authors.forename: Nan Ping
authors.initials: NP
authors.lastname: Wang