Abstract
IR and EXAFS spectroscopies were used to study the products of the hydrolysis of iron(III) sulfate. A hypothesis for the structure of amorphous basic iron sulfate is made from a comparison of its IR spectra and radial atomic distribution curves with the corresponding data for jarosite. Analysis of the interatomic distances and manifestations of the sulfate ion in the low- and high-temperature IR spectra shows that in the amorphous product of the hydrolysis, unlike in the jarosite, the sulfate ion is not involved in the first coordination sphere of the iron atoms, but is held in the structure by hydrogen bonds. Reasons for the high catalyzing ability of the amorphous basic iron sulfate are suggested.
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Institute of Catalysis, Siberian Branch, Russian Academy of Sciences. Translated fromZhurmal Strukturnoi Khimii, Vol. 37, No. 2, pp. 275–282, March–April, 1996.
Translated by I. Izvekova
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Burgina, E.B., Kustova, G.N., Nikitenko, S.G. et al. Comparative study of the structures of some basic iron(III) sulfates. J Struct Chem 37, 240–246 (1996). https://doi.org/10.1007/BF02591053
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DOI: https://doi.org/10.1007/BF02591053