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On the existence of the protonated hydronium dication H4O2+ in sulfolane solution

✍ Scribed by Jean-Claude Bollinger; René Faure; Théophile Yvernault; Daniel Stahl

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
213 KB
Volume
140
Category
Article
ISSN
0009-2614

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✦ Synopsis

The enthalpy of solvation in sulfolane of the gaseous protonated hydronium dication is estimated as -628 kcaYmo1 at 298 K. Using literature data, a value AW'= -2 12 kcal/mol is calculated for the reaction H,O+ +H+ +H,O'+ (in sulfolane), supporting the thermodynamic existence of H,02+ in sulfolane solution, as characterized previously by potentiometric and conductometric titrations. Some aspects of these results are discussed.

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