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Preparation and properties of chlorobromocopper(II) complexes of composition (CH3NH3)2CuClxBr4-x

Z. Biela, T. Obert, M. Melník, and J. Gažo

Department of Inorganic Chemistry, Slovak Technical University, 880 37 Bratislava

 

Abstract: Compounds (CH3NH3)2CuClxBr4-x  (x = 0 — 4) were obtained by crystal­ lization from ethanol solutions, by bromine oxidation of a chlorocopper(I) complex and by solid state interaction. Newly prepared substances were characterized by X-ray powder patterns, electronic crystal, nujol, and e.p.r. spectra. Chlorobromocopper(II) complexes were found to be isostructural with homogeneous halo complexes. Square-planar structure of the complex anion is preserved also in the heterogeneous coordination sphere. Regardless of the mode of preparation, no evidence has been obtained for the formation of isomers or modifications of (CH3NH3)2CuClxBr4-x.

Full paper in Portable Document Format: 291a56.pdf

 

Chemical Papers 29 (1) 56–60 (1975)

Thursday, October 22, 2020

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