Structure and spectra of dichloro(hydroxy-methoxy-di(2-pyridyl)methane)copper(II)
Kavounis, C. A., Tsiamis, C., Cardin, C. J. and Zubavichus, Y. (1996) Structure and spectra of dichloro(hydroxy-methoxy-di(2-pyridyl)methane)copper(II). Polyhedron, 15 (3). pp. 385-390. ISSN 0277-5387
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To link to this article DOI: 10.1016/0277-5387(95)00258-T
The non-electrolyte dichloro(hydroxy-methoxy-di(2-pyridylmethane)copper(II), resulting from the reaction of di(2-pyridyl)ketone and copper(II) chloride in methanol solution, was isolated and characterized and its structure was determined by X-ray diffraction. The pyridyl nitrogens and the chloride anions virtually from a basal plane in which lies the copper atom, while the oxygen of the methoxy group is in an apical position at a distance of 2.497 (3)Å. The nitrogenous base adopts the boat conformation with the pyridyl rings forming a dihedral angle of 108.72 (14)°. The nearest interatomic copper distance of 3.940(3)Å precludes copper-copper interactions, while the proximity of copper to the out-of-plane chlorine atoms [3.109(3)Å] suggests weakly bound chloro-bridged dimers. Spectral changes indicate that protic molecules displace the methoxy group and water affords the corresponding 1,1-diol.
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