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The easily accessible hexafluoroisopropoxysulfuric acid (1, hfipOSO3H; hfip=C(H)(CF3)2) was synthesized by the reaction of hexafluoroisopropanol and chlorosulfonic acid on the kilogram scale and isolated in 98 % yield. The calculated gas‐phase acidity (GA) value of 1 is 58 kJ mol−1 lower in ΔG° than that of sulfuric acid (GA value determined by a CCSD(T)‐MP2 compound method). Considering the gas‐phase...
Eine für Alles…︁! Auf der Grundlage des absoluten chemischen Potentials des Protons wird eine vereinheitlichte pH‐Skala eingeführt, die universell anwendbar für Gasphase, Lösung und festen Zustand ist. Diese Skala ermöglicht den direkten Vergleich von Aciditäten in verschiedenen Medien sowie eine thermodynamisch fundierte Definition von Superacidität und kann in allen Gebieten mit veränderlicher Protonenaktivität...
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