(H2O)2..O3SOOSO3 dianion

Formula: H₄O₁₀S₂^-2
Molecular weight: 228.157
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Reaction thermochemistry data

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Individual Reactions

CAS Reg. No. 15092-81-6 + 2 = H₄O₁₀S₂^-2

By formula: CAS Reg. No. 15092-81-6 + 2H₂O = H₄O₁₀S₂^-2

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	35.6 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase

H₄O₁₀S₂^-2 + 3 = H₆O₁₁S₂^-2

By formula: H₄O₁₀S₂^-2 + 3H₂O = H₆O₁₁S₂^-2

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	31.4 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase

References

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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]

Notes

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Symbols used in this document:

Δ_rG° Free energy of reaction at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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