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Type: Artigo de periódico
Title: Synthesis And Mössbauer Study Of Iron Oxalate Coordination Polymers Of The Type Fe(c2o4)(l)x(h2o)22-x
Author: Abras A.
Figueiredo de Oliveira E.
Abstract: Polymeric compounds were prepared by reacting ferrous oxalate dihydrate with the ligands triethylenediamine, 1-aminoadamantane and trithiocyanuric acid. All compounds formed were infusible (up to 330°C), insoluble and nonstoichiometric. In all compounds the quadridentate structure of the oxalate groups was preserved. Some of them were mixed-valence Fe(II, III), as evidenced by Mössbauer measurements, which parameters were characteristic of high-spin Fe(II) and Fe(III). The quadrupole splitting and the isomer shift for all Fe(II) sites were essentially identical with those for the Fe(II) site in ferrous oxalate dihydrate. Neither a complete oxidation nor a total substitution of the water molecules of the oxalate by the ligands were observed. © 1991 J.C. Baltzer A.G. Scientific Publishing Company.
Editor: Kluwer Academic Publishers
Rights: fechado
Identifier DOI: 10.1007/BF02395874
Date Issue: 1991
Appears in Collections:Unicamp - Artigos e Outros Documentos

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