A new route to the syntheses of alkali metal bis(fluorosulfuryl)imides: Crystal structure of LiN(SO2F)2

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Authors

BERAN Martin PŘÍHODA Jiří ŽÁK Zdirad ČERNÍK Miloš

Year of publication 2006
Type Article in Periodical
Magazine / Source Polyhedron
MU Faculty or unit

Faculty of Science

Citation
Field Inorganic chemistry
Keywords Imido-bis(sulfuric acid) difluoride; Lithium bis(fluorosulfuryl)imide; Alkali metal bis(fluorosulfuryl)imides
Description A new route for the preparation of Li and Na salts of imido-bis(sulfuric acid) difluoride from KN(SO2F)2 as a starting material is described. KN(SO2F)2 was converted to Li and Na salts by metathetical reactions with lithium and sodium perchlorates in acetonitrile, while Rb and Cs salts were obtained from imido-bis(sulfuric acid) difluoride liberated from its K-salt. The crystal structure of lithium bis(fluorosulfuryl) imide LiN(SO2F)2 (LISFI) was determined.
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