ClO4 anion


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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Individual Reactions

ClO4- + Hydrogen cation = HClO4

By formula: ClO4- + H+ = HClO4

Quantity Value Units Method Reference Comment
Δr1255. ± 24.kJ/molIMRBMeyer and Kass, 2010gas phase; B
Δr1220. ± 50.kJ/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.; B
Quantity Value Units Method Reference Comment
Δr1200. ± 50.kJ/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.; B

ClO4- + Water = (ClO4- • Water)

By formula: ClO4- + H2O = (ClO4- • H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr49.4 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
Δr20.1 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

ClO4- + Sulfur dioxide = (ClO4- • Sulfur dioxide)

By formula: ClO4- + O2S = (ClO4- • O2S)

Quantity Value Units Method Reference Comment
Δr23.8 ± 0.42kJ/molTDAsBanic and Iribarne, 1985gas phase; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
24.290.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

References

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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]

Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P., Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I, J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019 . [all data]

Banic and Iribarne, 1985
Banic, C.M.; Iribarne, J.V., Equilibrium Constants for Clustering of Neutral Molecules about Gaseous Ions, J. Chem. Phys., 1985, 83, 12, 6432, https://doi.org/10.1063/1.449543 . [all data]


Notes

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