Spectroscopic properties of SO4 in different molecular and crystalline environments. II. Identification and infrared spectra of Cu3O2SO4 and its hydroxylated derivative
- 1 February 1988
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 66 (2) , 337-340
- https://doi.org/10.1139/v88-058
Abstract
The infrared spectra of Cu3O2SO4, identified for the first time and obtained from three different preparations are reported. The proposed structure of Cu3O2SO4 contains the copper oxysulfate anion [(CuO)2SO4]2− of Cs symmetry with each CuO attached by the Cu to two oxygens of the SO4 group. Of the 21 infrared-active modes predicted for this anion 17 modes are discernible. Its hydroxylated derivative Cu3(OH)4SO4 shows clearly resolved and evenly split peaks of the v3 mode of SO4 in strong contrast to the strong overlap of this mode in its crystalline analog; the frequencies of the remaining SO4 modes stay effectively unchanged.Keywords
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