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Synthesis, crystal structure, magnetic behaviour and thermal stability of a paddle-wheel copper(II) complex bearing equatorial 3,4-diethoxybenzoate ligands

Year: 2024

Type: article

Abstract: The binuclear paddle-wheel copper(II) complex tetrakis(mu-3,4-diethoxybenzoato-kappa-2-O:O´)bis[(ethanol-kappaO)copper(II)], [Cu2(C11H13O4)4(C2H6O)2], has been synthesized and characterized. In each molecule, two CuII centres are bridged in a syn–syn fashion by four equatorial 3,4-diethoxybenzoate ligands, the two axial positions being occupied by ethanol molecules. The thermal stability has been studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) techniques. The magnetic behaviour, studied by SQUID magnetometry, shows a Cu(II)–Cu(II) antiferromagnetic exchange interaction with 2J = 288 cm-1, a value that fits with a magnetic structure correlation established forcompounds of this kind.

Source: Conicet

Authors: Marziali Bermudez, Mariano, Muller, Federico G., Baggio, Ricardo Fortunato, Cukiernik, Fabio Daniel

Language: English

Topic: Magnetism in coordination complexes

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7006186579

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