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Original Articles

Synthesis, characterization, and crystal structures of 2-[(3-chloropyridin-2-yl)hydrazonemethyl]-6-ethoxyphenol and its iron(III) complex

, , , &
Pages 1266-1269 | Received 10 Sep 2016, Accepted 16 Jan 2017, Published online: 23 Mar 2017
 

ABSTRACT

A new Schiff base 2-[(3-chloropyridin-2-yl)hydrazonemethyl]-6-ethoxyphenol (HL) and its new iron(III) complex have been synthesized and characterized by elemental analysis, IR spectra, and single-crystal X-ray determination. The Schiff base was crystallized in the triclinic space group P1_, and the complex was crystallized in the monoclinic space group Cc. The particular interest is to study the coordination behavior of the Schiff base with iron. Single-crystal X-ray diffraction indicated that the Schiff base ligand coordinates to the Fe atom through the phenolate O, imine N, and pyridine N atoms. The asymmetric unit of the Schiff base contains two Schiff base molecules and one methanol molecule. The asymmetric unit of the complex contains two mononuclear iron(III) complex cations and two trifluoromethylsulfate anions. The Fe atom is six-coordinated in an octahedral geometry. The coordination of the Schiff base to the Fe atom is also reflected in the IR spectra. Crystal structures of the compounds are stabilized by hydrogen bonds.

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