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pKa values and gas-phase acidities of superacid molecul

pKa values and gas-phase acidities of superacid molecul

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What is a <strong>superacid</strong>?<br />

• Superacidic medium:<br />

A Brønsted <strong>superacid</strong> is a medium, in<br />

which the chemical potential <strong>of</strong> the proton<br />

is higher than in pure sulfuric acid<br />

D. Himmel et al, Angew. Chem. Int. Ed. 2010, 49, 6885<br />

7<br />

What is a <strong>superacid</strong>?<br />

• Superacidic <strong>molecul</strong>e:<br />

Superacidic <strong>molecul</strong>e in a given medium is<br />

one that is more acidic than H 2 SO 4 in that<br />

medium<br />

8<br />

4

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