Issue 19, 2010
From the journal:

Dalton Transactions

Novel CrIII dinuclear complexes supported by salicyloylhydrazono dithiolane and dithiane ligands: Synthesis, stability, crystal structures and magnetic properties†

Nicolas Clément,a   Clément Toussaint,a   Guillaume Rogez,b   Claudia Loose,c   Jens Kortus,c   Lydia Brelot,d   Sylvie Choua,e   Samuel Dagorne,a   Philippe Tureke  and  Richard Welter*a  

* Corresponding authors

a Laboratoire DECOMET, UMR-CNRS 7177, Université de Strasbourg, 4, rue Blaise Pascal, Strasbourg Cedex, France
E-mail: welter@chimie.u-strasbg.fr
Fax: +33 90 24 12 29
Tel: +33 90 24 15 93

b I.P.C.M.S., UMR-CNRS 7504, Groupe des Matériaux Inorganiques, Université de Strasbourg, 23 Rue du Loess, BP 43, Strasbourg Cedex 2, France

c Institut für Theoretische Physik, TU Bergakademie Freiberg, Leipziger Str. 23, Freiberg, Germany

d Service de Radiocristallographie, UMR-CNRS 7177, Université de Strasbourg, 4, rue Blaise Pascal, Strasbourg Cedex, France

e Laboratoire POMAM, UMR 7177 CNRS, Université de Strasbourg, 1, rue Blaise Pascal, Strasbourg Cedex, France

Abstract

We hereby report the synthesis, crystal structures and magnetic characterizations of three novel CrIII complexes: a mononuclear CrIII(HL(1))3 species along with two dinuclear μ-methoxo CrIII2(μ-OMe)2(HL)4 (H2L(1): 2-salicyloylhydrazono-1,3-dithiolane; H2L(2): 2-salicyloylhydrazono-1,3-dithiane). EPR studies indicate that both dinuclear complexes (2a and 2b) are stable in solution (CHCl3). Both CrIII dinuclear complexes exhibit a strong antiferromagnetic coupling. DFT calculations performed for complex 2a are in agreement with a strong antiferromagnetic exchange interaction in these new dinuclear CrIII complexes.

Graphical abstract: Novel CrIII dinuclear complexes supported by salicyloylhydrazono dithiolane and dithiane ligands: Synthesis, stability, crystal structures and magnetic properties

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Article information

DOI
https://doi.org/10.1039/C001057J
Article type
Paper
Submitted
18 Jan 2010
Accepted
25 Mar 2010
First published
12 Apr 2010

Dalton Trans., 2010,39, 4579-4585

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Novel CrIII dinuclear complexes supported by salicyloylhydrazono dithiolane and dithiane ligands: Synthesis, stability, crystal structures and magnetic properties

N. Clément, C. Toussaint, G. Rogez, C. Loose, J. Kortus, L. Brelot, S. Choua, S. Dagorne, P. Turek and R. Welter, Dalton Trans., 2010, 39, 4579 DOI: 10.1039/C001057J

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