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Structures of bis(fluorosulfonyl)imide HN(SO 2 F) 2 , bis(trifluoromethylsulfonyl)imide HN(SO 2 CF 3 ) 2 , and their potassium salts at 150 K

✍ Scribed by Žák, Z.; Růžička, A.; Michot, Ch.

Book ID
118129642
Publisher
Oldenbourg Wissenschaftsverlag
Year
1998
Tongue
English
Weight
865 KB
Volume
213
Category
Article
ISSN
2194-4946

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✦ Synopsis

Abstract

The structures of HN(SO~2~R)~2~, R=F, CF~3~ are formed by molecules linked by hydrogen bonds to infinite chains. While KN(SO~2~F)~2~ is composed of alternating cations and anions, HN(SO~2~CF~3~)~2~ exhibits a pronounced layer structure. In the acids, the substituents –R are in trans configuration being on the opposite sides of the plane defined by S–N–S bonds but in the salts the cis configuration with both substituents on the same side of the S–N–S plane is preferred, probably due to numerous metal-anion interactions.

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Acyclic Sulfur−Nitrogen Compounds. Synth
Acyclic Sulfur−Nitrogen Compounds. Syntheses and Crystal and Molecular Structures of Bis((trifluoromethyl)sulfonyl)amine ((CF 3 SO 2 ) 2 NH), Magnesium Hexaaquo Bis((trifluoromethyl)sulfonyl)amide Dihydrate ([Mg(H 2 O) 6 ][(CF 3 SO 2 ) 2 N] 2 ·2H 2 O), and Bis(bis(fluorosulfonyl)amino)sulfur ((FSO 2 ) 2 NSN(SO 2 F) 2 )
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