1990
DOI: 10.1107/s0108270189010395
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Structures of two strong Brønsted acids: (I) fluorosulfuric acid and (II) trifluoromethanesulfonic acid

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Cited by 20 publications
(25 citation statements)
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“…The molecular structure of gaseous HSO 3 F seems to be unknown but the crystalline acid has been studied by X-ray diffraction at 123 K. [22] The HOϪSO 2 ϪF molecules form infinite chains via OH···O hydrogen bonds. The site symmetry is C 1 .…”
Section: Fluorosulfuric Acid Hso 3 Fmentioning
confidence: 99%
“…The molecular structure of gaseous HSO 3 F seems to be unknown but the crystalline acid has been studied by X-ray diffraction at 123 K. [22] The HOϪSO 2 ϪF molecules form infinite chains via OH···O hydrogen bonds. The site symmetry is C 1 .…”
Section: Fluorosulfuric Acid Hso 3 Fmentioning
confidence: 99%
“…Dabei beträgt der HO-S-O-Winkel 110°, während der Winkel der termi nalen Sauerstoffatome mit dem Schwefelatom mit 121° deutlich größer ist. Entsprechende Gegeben heiten wurden bereits an Hydrogensulfaten [11] und Trifluormethylsulfonsäure [12] bzw. ihren Hydraten [13] beobachtet.…”
Section: Tab IV Bindungsabstände [ä] Und Winkel [°] Vonunclassified
“…Der M ittelwert aller drei C-S-O-Winkel der Trifluormethylsulfonsäure entspricht mit 104° dem des Triflatanions. Auch die S-C-Abstände mit 1,84 Ä, die C-F-Abstände mit 1,35 Ä, die F-C-FWinkel sowie die F-C-S-Winkel mit 108° und 110° (Mittelwerte) stimmen gut mit den früher ermittel ten überein [1,12,13].…”
Section: Tab IV Bindungsabstände [ä] Und Winkel [°] Vonunclassified
“…The infrared and Raman spectroscopic properties of HSO 3 F have been studied [7][8][9] and structural studies of the acid using X-ray diffraction techniques conducted [10]. However, due to experimental and theoretical complications there has been some confusion as to the relative acidities of this acid and other superacids in non-aqueous solvent and in the gas phase.…”
Section: Introductionmentioning
confidence: 99%
“…b Experimental values for HSO 3 F are from[10] and correspond to H-bonded molecules forming chains in the crystalline solid. Experimental values for NH3 and H 2 O are from[29].…”
mentioning
confidence: 99%