Synthesis, crystal structure and magnetic properties of a Cu(II) paddle-wheel complex with mixed bridges

Joan Soldevila-Sanmartín, José A. Ayllón, Teresa Calvet, Merce Font-Bardia, Concepción Domingo, Josefina Pons

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17 Citations (Scopus)

Abstract

© 2016 Elsevier B.V. The synthesis and characterization of a mixed carboxylate paddle-wheel copper complex, with formula [Cu(μ-Pip)(μ-MeCO2)(MeOH)]2 (Pip = piperonylate or 1,3-benzodioxole-5-carboxylate and MeCO2 = acetate), is here reported. The described compound is a binuclear complex, each pair of similar carboxylate ligands occupying mutually trans bridging positions, while the methanol occupies the apical positions. The dimers are arranged into 2D layers in the bc plane through a network of O-H ⋯ O hydrogen bonds established between the methanol and the acetate ligand. Magnetic studies showed a strong antiferromagnetic Cu ⋯ Cu interaction (J = − 308 cm− 1), in agreement with the presence of four μ-κO-κO′ carboxylates bridging the metallic centers in the binuclear complex.
Original languageEnglish
Pages (from-to)90-93
JournalInorganic Chemistry Communications
Volume71
DOIs
Publication statusPublished - 1 Sep 2016

Keywords

  • Copper(II) heteroleptic paddle-wheel
  • Mixed bridges
  • Piperonylic acid
  • Supramolecular networks

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