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Puentes R, Torres J, Kremer C, et al. Mononuclear and polynuclear complexes ligated by an iminodiacetic acid derivative: synthesis, structure, solution studies and magnetic properties. Dalton Trans. 2016;45(12):5356-73doi: 10.1039/c5dt05060j.
Puentes, R., Torres, J., Kremer, C., Cano, J., Lloret, F., Capucci, D., & Bacchi, A. (2016). Mononuclear and polynuclear complexes ligated by an iminodiacetic acid derivative: synthesis, structure, solution studies and magnetic properties. Dalton transactions (Cambridge, England : 2003), 45(12), 5356-73. https://doi.org/10.1039/c5dt05060j
Puentes, Roberto, et al. "Mononuclear and polynuclear complexes ligated by an iminodiacetic acid derivative: synthesis, structure, solution studies and magnetic properties." Dalton transactions (Cambridge, England : 2003) vol. 45,12 (2016): 5356-73. doi: https://doi.org/10.1039/c5dt05060j
Puentes R, Torres J, Kremer C, Cano J, Lloret F, Capucci D, Bacchi A. Mononuclear and polynuclear complexes ligated by an iminodiacetic acid derivative: synthesis, structure, solution studies and magnetic properties. Dalton Trans. 2016 Mar 28;45(12):5356-73. doi: 10.1039/c5dt05060j. PMID: 26906084.
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Dalton Trans. 2016 Mar 28;45(12):5356-73. doi: 10.1039/c5dt05060j.

Mononuclear and polynuclear complexes ligated by an iminodiacetic acid derivative: synthesis, structure, solution studies and magnetic properties.

Dalton transactions (Cambridge, England : 2003)

Roberto Puentes, Julia Torres, Carlos Kremer, Joan Cano, Francesc Lloret, Davide Capucci, Alessia Bacchi

Affiliations

  1. Cátedra de Química Inorgánica, Departamento Estrella Campos, Facultad de Química, Universidad de la República, Avda. General Flores 2124, Montevideo, Uruguay. [email protected].
  2. Instituto de Ciencia Molecular, Universidad de Valencia, C/Catedrático José Beltrán, 2, E-46980 Paterna, Valencia, Spain and Fundació General de la Universitat de València (FGUV), Spain.
  3. Instituto de Ciencia Molecular, Universidad de Valencia, C/Catedrático José Beltrán, 2, E-46980 Paterna, Valencia, Spain.
  4. Dipartimento di Chimica, Università di Parma, Viale delle Scienze 17A, 43124 Parma, Italy.

PMID: 26906084 DOI: 10.1039/c5dt05060j

Abstract

Two novel families of coordination polymers, [Ln(bzlida)(Hbzlida)]·H2O (Ln = La, Nd) and [Ln2(bzlida)3]·3H2O (Ln = Nd, Sm, Eu, Gd) were prepared by hydrothermal reaction of Ln2O3 with benzyliminodiacetic acid (H2bzlida). The conditions of synthesis, in particular the pH value, were selected on the basis of previous speciation studies reported in this work. The first type of complex consists of 1D chains built by a fully deprotonated ligand bridging two lanthanide ions and protonated Hbzlida(-) ligands connecting three cations. The second type is formed by [Ln2(bzlida)3] bimetallic units in which the ligand has a tridentate NOO coordination mode. This is expanded to a 2D network through carboxylate linkers. Under similar synthetic conditions but including copper acetate in the reaction mixture, a new compound was also obtained and characterized: [Cu(bzlida)2{Er(AcO)(H2O)5}2][Cu(bzlida)2]·6H2O (AcO = acetate). This salt is made up of the [Cu(bzlida)2{Er(AcO)(H2O)5}2](2+) heterotrimetallic complex cation containing an acetato bridge, and the [Cu(bzlida)2](2-) anion. The same reaction produces the monomeric [Cu(Hbzlida)2]·4H2O whose structure was also elucidated. Magnetic properties of the Gd(iii) derivative were studied and analyzed experimentally and theoretically. The results are compared and discussed with respect to those reported in the literature and a magnetostructural correlation is suggested.

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