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perchloric acid


Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: John E. Bartmess

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Individual Reactions

ClO4- + Hydrogen cation = HClO4

By formula: ClO4- + H+ = HClO4

Quantity Value Units Method Reference Comment
Deltar299.9 ± 5.7kcal/molIMRBMeyer and Kass, 2010gas phase
Deltar292. ± 12.kcal/molAcidMarcus, 1987gas phase; Acidity seems too strong by ca. 10 kcal/mol. Other lattice energetics ( Mallouk, Rosenthal, et al., 1984, Finch, Gates, et al., 1977) are also too stable for anions.
Quantity Value Units Method Reference Comment
Deltar286. ± 12.kcal/molH-TSMarcus, 1987gas phase; Acidity seems too strong by ca. 10 kcal/mol. Other lattice energetics ( Mallouk, Rosenthal, et al., 1984, Finch, Gates, et al., 1977) are also too stable for anions.

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Meyer and Kass, 2010
Meyer, M.M.; Kass, S.R., Experimental and Theoretical Gas-Phase Acidities, Bond Dissociation Energies, and Heats of Formation of HClOx, x=1-4, J. Phys. Chem. A, 2010, 114, 12, 4086-4092, https://doi.org/10.1021/jp100888k . [all data]

Marcus, 1987
Marcus, Y., The Thermodynamics of Solvation of Ions. 2. The Enthalpy of Hydration at 298.15K, J. Chem. Soc. Farad. Trans. I, 1987, 83, 2, 339, https://doi.org/10.1039/f19878300339 . [all data]

Mallouk, Rosenthal, et al., 1984
Mallouk, T.E.; Rosenthal, G.L.; Muller, G.; Brusasco, R.; Bartlett, N., Fluoride ion affinities of GeF4 and BF4 from thermodynamic and structural data for (SF2)2GeF6, ClO2GeF5, and ClO2BF4, Inorg. Chem., 1984, 23, 3167. [all data]

Finch, Gates, et al., 1977
Finch, A.; Gates, P.N.; Peake, S.J., Thermochemistry of polyhalides. III. Cesium and rubidium tetrachloroiodates, J. Inorg. Nucl. Chem., 1977, 39, 2135. [all data]


Notes

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