Heteronuclear (Co–Ca, Co–Ba) 2,3-pyridinedicarboxylate complexes: synthesis, structure and physico-chemical properties

Ana Lazarescu; Sergiu Shova; Juan Bartolome; Pablo Alonso; Ana Arauzo; Alina M. Balu; Yuri A. Simonov; Maria Gdaniec; Constantin Turta; George Filoti; Rafael Luque

doi:10.1039/C0DT00858C

Heteronuclear (Co–Ca, Co–Ba) 2,3-pyridinedicarboxylate complexes: synthesis, structure and physico-chemical properties†

Ana Lazarescu,*^a Sergiu Shova,^bc Juan Bartolome,^d Pablo Alonso,^d Ana Arauzo,^e Alina M. Balu,^f Yuri A. Simonov,^c Maria Gdaniec,^g Constantin Turta,^a George Filoti^h and Rafael Luque*^f

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^a Institute of Chemistry of the Academy of Sciences of Moldova, Academiei str. 3, MD2028-Chisinău, Moldova
E-mail: analazarescu@yahoo.com
Fax: (+373) 22 739954
Tel: (+373) 22 725490

^b Moldova State University, Chisinău, Moldova

^c Institute of Applied Physics of the Academy of Sciences of Moldova, MD2028-Chisinău, Moldova

^d Instituto de Ciencia de Materiales de Aragón, Departamento de Física de la Materia Condensada, CSI-Universidad de Zaragoza, Zaragoza, Spain

^e Servicio de Instrumentación Científica-Area de Medidas Físicas. Universidad de Zaragoza, Pedro Cerbuna 12, Zaragoza, Spain

^f Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (C-3), Ctra Nnal IVa, Km 396, Córdoba, Spain
E-mail: q62alsor@uco.es

^g A. Mickiewicz University, Poznan, Poland

^h National Institute of Materials Physics, Bucharest-Magurele, Romania

Abstract

Three pyridine 2,3-dicarboxylate complexes have been synthesized and characterized by IR spectroscopy, thermal analysis and single crystal X-ray diffractometry. Their magnetic properties have also been studied by EPR and magnetisation measurements. The decomposition of such complexes in air leads to the generation of mixed metal oxides, as confirmed by powder X-ray diffraction.

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Heteronuclear (Co–Ca, Co–Ba) 2,3-pyridinedicarboxylate complexes: synthesis, structure and physico-chemical properties†

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Heteronuclear (Co–Ca, Co–Ba) 2,3-pyridinedicarboxylate complexes: synthesis, structure and physico-chemical properties

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