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Dinuclear fumarato- and terephthalato-bridged copper(II) complexes: Structural characterization and magnetic properties by Franz A. Mautner; Ramon Vicente; Febee R.Y. Louka; Salah S. Massoud is a Chemistry article available to read on EtoBox.

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The dinuclear dicarboxylato-bridged copper(II) complexes [Cu 2 (TPA) 2 (l-tp)](ClO 4 ) 2 AE H 2 O (1), [Cu 2 (TPA) 2 (l-fum)](ClO 4 ) 2 AE 2H 2 O (2) and [Cu 2 (pmedien) 2 (l-fum)(H 2 O) 2 ](ClO 4 ) 2 (3) (tp = terephthalate dianion, fum = fumarate dianion, TPA = tris(2-pyridylmethyl)amine and pmedien = N,N,N 0 ,N 00 ,N 00 -pentamethyldiethylenetriamine) were synthesized and structurally characterized by X-ray crystallography. The structures of the TPA complexes 1 and 2 consist of l-tp or l-fum bridging two Cu(II) centers in a bis(monodentate) bonding fashion. The coordination geometry around the Cu(II) ions in these compounds has a distorted trigonal bipyamidal geometry, TBP with four nitrogen atoms from the TPA ligand and a coordinated oxygen atom supplied by the carboxylate group of the bridged dicarboxylato ligand. Complex 3 has a distorted square pyramidal geometry achieved by the three N-atoms of the pmedien, one fumcarboxylate-oxygen and by an oxygen atom from a coordinated water molecule. The intradimer Cu. . .Cu distances in these complexes are 11.078(3), 8.663(4) and 9.520(3) A ̊for 1, 2 and 3, respectively. The electronic spectra of the complexes in aqueous solutions ar

Who reads Dinuclear fumarato- and terephthalato-bridged copper(II) complexes: Structural characterization and magnetic properties?

Author

Franz A. Mautner; Ramon Vicente; Febee R.Y. Louka; Salah S. Massoud

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0020-1693)

Published

2008

Language

EN

Field

Chemistry (Physical Sciences)