title: Bis[3-chloro-6-(3,5-dimethyl-1H-pyrazol-1-yl)picolinato-κO,N,N']copper(II) tetra-hydrate.
abstract: In the title complex, [Cu(C(11)H(9)ClN(3)O(2))(2)]·4H(2)O, the Cu(II) atom is in a distorted octa-hedral coordination environment, coordinated by four N atoms and two O atoms from two tridentate 3-chloro-6-(3,5-dimethyl-1H-pyrazol-1-yl)picolinate ligands. The mol-ecules are linked via inter-molecular O-H⋯O hydrogen bonds involving water mol-ecules to form extended chains along [010], and there are short Cl⋯Cl contacts [3.153 (4) Å].
authors.forename: Kai
authors.initials: K
authors.lastname: Zhao
authors.forename: Xian-Hong
authors.initials: XH
authors.lastname: Yin
authors.forename: Fei-Long
authors.initials: FL
authors.lastname: Hu
authors.forename: Cui-Wu
authors.initials: CW
authors.lastname: Lin
authors.forename: Shang-Shang
authors.initials: SS
authors.lastname: Zhang
authors.forename: Ru-Wen
authors.initials: RW
authors.lastname: Qing