Cyklické estery kyseliny selenové

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Title in English Cyclic esters of selenic acid
Authors

RICHTERA Lukáš TOUŽÍN Jiří

Year of publication 2001
Type Article in Proceedings
Conference 53. zjazd chemických spoločností, Zborník príspevkov 2.
MU Faculty or unit

Faculty of Science

Citation
Field Inorganic chemistry
Keywords cyclic esters; selenic acid; structure; Raman spectra
Description In effort to investigate molecular structures and spectral properties of the selenium trioxide adducts with organic oxygen donor we decided to verify the preparation of the selenium trioxide adducts with 1,4-dioxane. A white precipitate containing Se(VI) was formed as selenium trioxide dissolved. A glass-like solid was isolated after the solvent removal under vacuum from the filtrate. Sublimation of this glass-like material under vacuum gave a small amount of cyclic ester C2H4O4Se. Another cyclic ester of selenic acid, C2H2O8Se2.C4H8O2, crystalizes from the reaction mixture after a few days. Both very hygroscopic esters were characterised by X-ray analysis and Raman spectroscopy.
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