Abstract
In the present study, we describe a reaction of Cu(OAc)2·H2O and Gd(NO3)3·6H2O with equimolar amounts of the asymmetric salamo-type ligand 6-methoxy-6′-ethoxy-2,2′-[ethylenedioxybis(azinomethyl)]diphenol (H2L) generated by Schiff base condensation of 2-[O-(1-ethyloxyamide)]oxime-3-methoxy-phenol with 3-ethoxysalicylaldehyde to obtain a novel 3d–4f hetero-polynuclear complex [{Cu(L)Gd(NO3)3}2] [Cu(L)Gd(NO3)3]2. The complex is fully characterized by X-ray diffraction (XRD), elemental analyses, FTIR and UV-Vis spectra. The phase purity is clearly confirmed by powder XRD. In the [CuII–GdIII] complex, the coordination environments of CuII ions are different, but the apical coordination atoms to the GdIII ions are nearly identical. The antibacterial and fluorescent properties of the H2L ligand and the [CuII–GdIII] complex are also investigated. Supramolecular interactions are studied in detail.
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