2002
DOI: 10.1016/s1293-2558(02)00050-x
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Synthesis and structures of alkali metal salts of bis[(trifluoromethyl)sulfonyl]imide

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Cited by 122 publications
(151 citation statements)
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“…The molecular structure of 4 is shown in Figure 5. (3) 123.62 (17), N(1)ϪLi(1)ϪN(2) 86.23 (13), N(1)ϪLi(1)ϪN(3) 84.12 (13), N(1)ϪLi(1)ϪO(1) 110.06 (17), O(1)ϪLi(1)ϪN(3) 125.98 (17), N(2)ϪLi(1)ϪO(3) 175.04(18), S(1)ϪN(4)ϪS(2) 126.99 (11) The distortion away from an ideal trigonal bipyramidal geometry in 4 is manifest in the axial-equatorial bond angles and is presumably the result of constrained bite angles within the PMDETA ligand and the triflamide anion [N(1)ϪLi(1)ϪN (2): 86.32 (13) It is noteworthy when considering the conceptual deaggregation of a dimeric complex containing a bidentate donor ligand, such as 3, to a monomeric complex containing a tridentate donor ligand, such as 4, that it is the short LiϪO bond [Li(1)ϪO(3A) in 3] that generates the dimer that is replaced rather than the longer (secondary) LiϪO interaction [Li(1)ϪO (4) in 3].…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The molecular structure of 4 is shown in Figure 5. (3) 123.62 (17), N(1)ϪLi(1)ϪN(2) 86.23 (13), N(1)ϪLi(1)ϪN(3) 84.12 (13), N(1)ϪLi(1)ϪO(1) 110.06 (17), O(1)ϪLi(1)ϪN(3) 125.98 (17), N(2)ϪLi(1)ϪO(3) 175.04(18), S(1)ϪN(4)ϪS(2) 126.99 (11) The distortion away from an ideal trigonal bipyramidal geometry in 4 is manifest in the axial-equatorial bond angles and is presumably the result of constrained bite angles within the PMDETA ligand and the triflamide anion [N(1)ϪLi(1)ϪN (2): 86.32 (13) It is noteworthy when considering the conceptual deaggregation of a dimeric complex containing a bidentate donor ligand, such as 3, to a monomeric complex containing a tridentate donor ligand, such as 4, that it is the short LiϪO bond [Li(1)ϪO(3A) in 3] that generates the dimer that is replaced rather than the longer (secondary) LiϪO interaction [Li(1)ϪO (4) in 3].…”
Section: Resultsmentioning
confidence: 99%
“…Although structural studies of the parent salt, LiNTf 2 , [10] and its hydrate, LiNTf 2 ·H 2 O, [11] have been performed, this work represents the first systematic structural study of LiNTf 2 in the presence of a range of nitrogen-donor ligands, with the aim of investigating the extent and range of anion binding within these systems and their more general structural diversity.…”
Section: Introductionmentioning
confidence: 99%
“…The TEImTFSI structure consists of alternating layers of TEIm + cations and trans-TFSI anions with only weak cation-anion interactions [55]. The cis-conformation of TFSI À has a higher energy than the trans-conformation and therefore observed only in compounds where strong interaction between the cation and anion forces this conformation [55,56]. In DMImTFSI, hydrogen bond between ring hydrogen atoms of the cation and O atoms of the anion stabilizes the cis-conformation of the anion.…”
Section: Fluorocomplex Saltsmentioning
confidence: 99%
“…[34] Triflimidate haben aufgrund der hohen Elektronegativität dungen an den Sauerstoffatomen der beiden Sulfonyleinheiten trägt (0.9-1.0 gemäß natürlicher Bindungsorbitalanalyse, NBO [38] ) und vier Koordinationsmodi einnehmen kann: [37] Am häufigsten scheint die zuletzt genannte Form zu sein, in der das Tf 2 N À -Ion eine cisoide Konformation annimmt (die CF 3 -Gruppen befinden sich auf der gleichen Seite der S-N-S-Ebene) und als Ligand zusammen mit dem Metallzentrum einen delokalisierten Sechsring bildet. [39] Beim Vergleich der Daten von Metalltriflaten und -triflimidaten wird beobachtet, dass die Bindungslängen zwischen dem koordinierenden Sauerstoffatom und dem Metallzentrum gewöhnlich in der gleichen Größenordnung liegen [37][38][39][40][41][42] …”
Section: Introductionunclassified