2005
DOI: 10.1002/ange.200461847
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Synthese von Fluordihydroxysulfonium‐hexafluoroantimonat

Abstract: Reaktionen von Schwefeldioxid in den Supersäuren HSO 3 F/ SbF 5 und HF/SbF 5 sind eingehend NMR-und schwingungsspektroskopisch untersucht worden. [1,2]

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Cited by 7 publications
(4 citation statements)
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“…However, they are not meaningful for the structure of the salt and therefore do not significantly support the localization of the oxygen atoms. However, the oxygen atoms have O···F contacts to the anions of 244.8 and 248.7 pm, which are in the range of short hydrogen bonds (O···H···F) like those found, for example, in [D 3 SO 4 [8,28] On the other hand, the shortest F···F distance between anion and cation is 295.0 pm. Because of the steric demand of the S=O double bond on the sulfur atom, the O-S-F angles are compressed to 101.8(2) and 102.7(1)8, and the O-S-O angle to 103.3(1)8, from the ideal tetrahedral geometry.…”
Section: Crystal Structure Of [H 2 So 3 F] + a C H T U N G T R E N N mentioning
confidence: 73%
See 1 more Smart Citation
“…However, they are not meaningful for the structure of the salt and therefore do not significantly support the localization of the oxygen atoms. However, the oxygen atoms have O···F contacts to the anions of 244.8 and 248.7 pm, which are in the range of short hydrogen bonds (O···H···F) like those found, for example, in [D 3 SO 4 [8,28] On the other hand, the shortest F···F distance between anion and cation is 295.0 pm. Because of the steric demand of the S=O double bond on the sulfur atom, the O-S-F angles are compressed to 101.8(2) and 102.7(1)8, and the O-S-O angle to 103.3(1)8, from the ideal tetrahedral geometry.…”
Section: Crystal Structure Of [H 2 So 3 F] + a C H T U N G T R E N N mentioning
confidence: 73%
“…However, the oxygen atoms have O⋅⋅⋅F contacts to the anions of 244.8 and 248.7 pm, which are in the range of short hydrogen bonds (O⋅⋅⋅H⋅⋅⋅F) like those found, for example, in [D 3 SO 4 ] + [SbF 6 ] − and [H 2 SO 2 F] + [SbF 6 ] − 8. 28 On the other hand, the shortest F⋅⋅⋅F distance between anion and cation is 295.0 pm.…”
Section: Resultsmentioning
confidence: 89%
“…[8] Wasserfreies SO 2 wurde als Lçsungsmittel bisher fürb esonders inert in Bezug auf Protonierungs-oder Oxidationsreaktionen gehalten. [9] Nun aber konnte gezeigt werden, dass dies nicht immer der Fall ist. Beim Versuch, Hexamethylbenzol (C 6 Me 6 )zuoxidieren, setzten die Autoren das Substrat unter stark oxidierenden Bedingungen (AsF 5 / wasserfreies HF (aHF)) in SO 2 Die Koordination von SO 2+ an C 6 Me 6 führt weder zu einer signifikanten Verlängerung der C-C-Bindungen noch zur Deformation des aromatischen Systems.D ie S-O-Bindung von 1.424(2) ist gegenüber der Doppelbindung in freiem SO (1.481 )verkürzt, jedoch länger, als theoretisch erwartet (1.39 ).…”
Section: Methodsunclassified
“…[8] Wasserfreies SO 2 wurde als Lçsungsmittel bisher fürb esonders inert in Bezug auf Protonierungs-oder Oxidationsreaktionen gehalten. [9] Nun aber konnte gezeigt werden, dass dies nicht immer der Fall ist. Beim Versuch, Hexamethylbenzol (C 6 Me 6 )zuoxidieren, setzten die Autoren das Substrat unter stark oxidierenden Bedingungen (AsF 5 / wasserfreies HF (aHF)) in SO 2…”
Section: Methodsunclassified