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Di-μ-chlorido-bis-[dichlorido(3,3',5,5'-tetra-methyl-4,4'-bipyrazol-1-ium-κN)copper(II)] dihydrate.

ABSTRACT: The structure of the centrosymmetric title compound, [Cu(2)Cl(6)(C(10)H(15)N(4))(2)]·2H(2)O, consists of a dimeric [{(HMe(4)bpz)CuCl(3)}(2)] unit (HMe(4)bpz is 3,3',5,5'-tetra-methyl-4,4'-bipyrazol-1-ium) with two solvent water molecules. Each [HMe(4)bpz](+) cation is bonded to a CuCl(3) unit through a Cu-N dative bond, effectively making square-planar geometry at the Cu atom. Two of these units then undergo a face-to-face dimerization so that the Cu atoms have a Jahn-Teller distorted square-pyramidal geometry with three chlorides and an N atom in the basal plane and one chloride weakly bound in the apical position. Several N-H⋯Cl, O-H⋯Cl and N-H⋯O hydrogen bonds form a three-dimensional network.

SUBMITTER: Kurawa MA

PROVIDER: S-EPMC2961969 | biostudies-literature |

REPOSITORIES: biostudies-literature

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| S-EPMC2971361 | biostudies-literature

2-Oxo-1,2-dihydro-pyrimidin-3-ium di-μ-chlorido-bis-{dichloridobis[pyrimidin-2(1H)-one-κN]cuprate(II)} dihydrate.

Project description:The asymmetric unit of the title compound, (C(4)H(5)N(2)O)(2)[Cu(2)Cl(6)(C(4)H(4)N(2)O)(2)]·2H(2)O, consists of one cation, one half of a centrosymmetric dianion and one water mol-ecule. The centrosymmetric dianion formed by dimerization in the crystal structure has neutral pyrimidin-2-one ligands coordinated to each copper(II) centre through Cu-N bonds. The Cu atoms each have a distorted trigonal bipyramidal geometry, with the N atom of the pyrimidin-2-one ligand in an axial position, and dimerize by sharing two equatorial Cl atoms. N-H⋯Cl, O-H⋯Cl and N-H⋯O hydrogen bonds connect the anions, cations and water mol-ecules, forming a three-dimensional network.

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