Abstract
The title compound, [Zn2Cl2(C20H21N3O)2](ClO4)2·2H2O, consists of a dinuclear ZnII cationic complex, two disordered perchlorate anions and two water molecules as solvate. The [Zn2(μ-Cl)2(HL)2]2+ cation [HL is 2-({[2-(2-pyridyl)ethyl](2-pyridylmethyl)amino}methyl)phenol] has a centrosymmetric structure with the ZnII ions in a distorted octahedral environment surrounded by an N3OCl2 donor set. HL acts as a tetradentate ligand through three N atoms from one amine group and two pyridyl arms and one O atom from the phenolic arm. The three N-donor sites of the HL ligand are arranged in meridional fashion, with the pyridine rings coordinated in trans positions with respect to each other. Consequently, the amine and phenol groups are trans to the asymmetric di-μ-chlorido exogenous bridges. A polymeric chain is formed along [010] by C(12)R 4 2(8) intermolecular hydrogen bonding. The perchlorate anion is disordered and was modelled by two sites in a 0.345 (18):0.655 (18) ratio. Water–perchlorate O—H⋯O interactions form cyclic structures, while phenol–water O—H⋯O interactions generate an infinite chain. In addition, weak intermolecular C—H⋯π(Ph) interactions between pyridine donor and phenol acceptor groups of neighboring cations build a two-dimensional polymeric structure parallel to (110).
Highlights
The title compound, [Zn2Cl2(C20H21N3O)2](ClO4)22H2O, consists of a dinuclear ZnII cationic complex, two disordered perchlorate anions and two water molecules as solvate
[Zn2(-Cl)2(HL)2]2+ cation [HL is 2-({[2-(2-pyridyl)ethyl](2pyridylmethyl)amino}methyl)phenol] has a centrosymmetric structure with the ZnII ions in a distorted octahedral environment surrounded by an N3OCl2 donor set
HL acts as a tetradentate ligand through three N atoms from one amine group and two pyridyl arms and one O atom from the phenolic arm
Summary
Trösch & Vahrenkamp (1998); Gross & Vahrenkamp (2005). For the preparation of the HL ligand, see: Yan & Que (1988).
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