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Spectrochemical properties of noncubical transition metal complexes in solutions. XV. Solution properties of bis(salicylideneaniline)copper(II).
Autorzy
Rok wydania
2003
Czasopismo
Numer woluminu
32
Strony
719-741
DOI
10.1023/B:JOSL.0000002991.55538.17
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The complex obtained by condensation of salicylideneaniline with copper(II) acetate was studied in a variety of solvents. This deep-brown crystalline compound is soluble in common solvents, such as, chloroform, toluene, dioxane, methanol, ethanol, dimethyl formamide, dimethyl sulfoxide, and acetonitrile—a necessary condition for observing solvatochromism. The complex has been characterized by elemental analysis, molar conductivity, EPR, and ultraviolet (UV) and visible (VIS) spectroscopy. The available X-ray data shows planar coordination geometry for the copper center. Combined multi-technique experiments have been applied to confirm the structure of the complex in solution. The molar conductivities indicate nonelectrolytic properties. EPR measurements preclude the possibility of solvent coordination at the axial positions of the complex. Spectroscopic measurements were used to study the coordination properties of donor atoms and their bonding ability, as well as trichromaticity coordinate calculations. The results obtained show that the interactions of metal with donors depend on donor strength and polarity of solvent.
Adres publiczny
https://doi.org/10.1023/B:JOSL.0000002991.55538.17
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