Cu(II) 4-phenoxybenzoate dimers and monomer coordinated by pyridines: Synthesis and crystal structures

Marta Sanchez-Sala, Josefina Pons, Angel Alvarez-Larena, Laura Bayés-García, Mercè Font-Bardia, José A. Ayllón

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5 Citations (Scopus)

Abstract

© 2018 Elsevier Ltd The complexes [Cu(PhOBz)2(dPy)]2 (PhOBz = 4-phenoxybenzoate; dPy = pyridine (1), 3-phenylpyridine (2), 4-benzylpyridine (3) and 4-phenylpyridine (4) and the complex [Cu(PhOBz)2(4-Phpy)2(H2O)] (5) were prepared and fully characterized. X-ray crystal structures of the five complexes have been determined. Complexes 1–4 consist of binuclear units where both Cu(II) are linked by four syn–syn carboxylate bridges, showing a paddle-wheel unit. The compound 5 is mononuclear and the metal center is coordinated to two PhOBz in monodentate form, two 4-Phpy ligands and one H2O molecule with slightly distorted square pyramidal geometry. Finally, the magnetic properties of compounds 3 and 5 have also been studied, confirming the different strength interactions between Cu(II) cations.
Original languageEnglish
Pages (from-to)545-553
JournalPolyhedron
Volume151
DOIs
Publication statusPublished - 1 Sep 2018

Keywords

  • 4-Phenoxybenzoate
  • Copper(II) monomer
  • Copper(II) paddle-wheel
  • Pyridine ligands
  • Supramolecular networks

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