Bistriflimide

Bistriflimide, also known variously as bis(trifluoromethane)sulfonimide, bis(trifluoromethanesulfonyl)imide, bis(trifluoromethanesulfonyl)imidate (and variations thereof), informally and somewhat inaccurately as triflimide or triflimidate, or by the abbreviations TFSI or NTf2, is a non-coordinating anion with the chemical formula [(CF3SO2)2N]−. Its salts are typically referred to as being metal triflimidates.

Bistriflimide
Names
IUPAC name
Bis(trifluoromethanesulfonyl)azanide
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
EC Number
  • acid: 435-300-4
PubChem CID
UNII
  • acid: InChI=1S/C2F6NO4S2/c3-1(4,5)14(10,11)9-15(12,13)2(6,7)8/q-1
    Key: NHHWJSXMTZIPES-UHFFFAOYSA-N
  • anion: InChI=1S/C2HF6NO4S2/c3-1(4,5)14(10,11)9-15(12,13)2(6,7)8/h9H
    Key: ZXMGHDIOOHOAAE-UHFFFAOYSA-N
SMILES
  • acid: C(F)(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F
  • anion: C(F)(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F
Properties
C2F6NO4S2−
Molar mass 280.14 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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