Abstract
The dinuclear title compound, [Zn2(C19H17N3O2)2(H2O)2]·4C2H6OS, lies about a center of inversion. The deprotonated monoanion O,N,O-chelates the Zn atom; the hydroxy O atom also engages in bonding to the symmetry-related Zn atom so that one N and three O atoms form a square around the metal. The coordination geometry is square-pyramidal, with the apical site occupied by a water molecule. Hydrogen bonds, with the water molecule serving as donor atom, lead to the formation of a linear chain motif. There is an N—H⋯O hydrogen bond between the complex molecule and solvent O atom.
Highlights
The dinuclear title compound, [Zn2(C19H17N3O2)2(H2O)2]Á4C2H6OS, lies about a center of inversion
The deprotonated monoanion O,N,O-chelates the Zn atom; the hydroxy O atom engages in bonding to the symmetry-related Zn atom so that one N and three O atoms form a square around the metal
The coordination geometry is square-pyramidal, with the apical site occupied by a water molecule
Summary
Key indicators: single-crystal X-ray study; T = 100 K; mean (C–C) = 0.006 A; R factor = 0.057; wR factor = 0.158; data-to-parameter ratio = 18.3. The deprotonated monoanion O,N,O-chelates the Zn atom; the hydroxy O atom engages in bonding to the symmetry-related Zn atom so that one N and three O atoms form a square around the metal. The coordination geometry is square-pyramidal, with the apical site occupied by a water molecule. With the water molecule serving as donor atom, lead to the formation of a linear chain motif. There is an N—HÁ Á ÁO hydrogen bond between the complex molecule and solvent O atom. Related literature For the structure of a similar Schiff base ligand, see: Ali et al (2008).
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