Estimates of hydride ion stability in condensed systems: energy of formation and solvation in aqueous and polar-organic solvents
Literature Information
Craig A. Kelly, David R. Rosseinsky
Fundamental to its chemical and electrochemical—especially electrochromic—reactions, energies of formation of the hydride anion in several solvents (and concomitant solvation energies) were re-evaluated ia a radius estimate derived from differing theoretical approaches of satisfactory mutual consistency. The values (Gibbs free energies—ions at the standard 1 mol dm−3, gases at 100 kPa; 25°C) with subscripted error-estimates were, in kJ mol−1, for water 1414, acetonitrile 2079, N,N-dimethylformamide 22814, dimethyl sulfoxide 21911, methanol 1569 (a first estimate), and nitrobenzene 18311 (a first estimate). The aqueous, acetonitrile and N,N-dimethylformamide values are substantial revisions.
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