Hexachlorocuprate(II) Anion: Vibration Spectra and Structure |
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Authors: | L. A. Sheludyakova T. V. Basova |
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Affiliation: | (1) Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk |
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Abstract: | For the complexes (CH8N4)2[CuCl6], (C2H9N5)2[CuCl6] · 2H2O, and (CH8N4O)4[CuCl6]Cl4, where (CH8N4)2+, (C2H9N5)2+, and (CH8N4O)2+ are the aminoguanidinium, biguanidium, and carbohydrazidium cations, respectively, IR and Raman spectra were taken and analyzed in the region of Cu—Cl vibrations. Polarization measurements of the Raman spectra of (CH8N4O)4[CuCl6]Cl4 single crystals were performed with the purpose of assigning the vibrations to symmetry types. Vibration spectra were calculated for the hexachlorocuprate ion in the given series of compounds, and the spectra of the examined complexes were compared with spectra of the previously known compounds incorporating the hexachlorocuprate(II) ion. |
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