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  • Title: Structural and spectropscopic studies of a three-dimensional hydrogen-bonded copper(II) complex: aqua[bis(pyridin-2-ylcarbonyl)amidato]cyanidocopper(II).
    Author: Wang JY.
    Journal: Acta Crystallogr C Struct Chem; 2015 Feb; 71(Pt 2):165-8. PubMed ID: 25652287.
    Abstract:
    The preparation and X-ray and spectroscopic studies of the title copper(II) complex, [Cu(C12H8N3O2)(CN)(H2O)], are reported. The Cu(II) cation is five-coordinated, forming a distorted square-planar pyramid with an Addison τ parameter of 0.14. The UV-vis spectrum shows a d-d transition of the Cu(II) centre at 638 nm, and the electron paramagnetic resonance (EPR) spectrum confirms that the Cu(II) cation has an axial symmetry coordination and that the unpaired electrons occupy the d(x(2)-y(2)) orbital. Cyclic voltammetric studies show two irreversible oxidation and reduction peaks.
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