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Dihydrogen disulfide


Gas phase ion energetics 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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to H2S2+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
9.3PEWagner and Bock, 1974LLK
10.01PEWagner and Bock, 1974Vertical value; LLK

De-protonation reactions

HS2- + Hydrogen cation = Dihydrogen disulfide

By formula: HS2- + H+ = H2S2

Quantity Value Units Method Reference Comment
Deltar1447. ± 15.kJ/molD-EAEntfellner and Boesl, 2009gas phase; B
Deltar1448. ± 13.kJ/molG+TSOhair, Depuy, et al., 1993gas phase; B
Quantity Value Units Method Reference Comment
Deltar1418. ± 15.kJ/molH-TSEntfellner and Boesl, 2009gas phase; B
Deltar1418. ± 13.kJ/molIMRBOhair, Depuy, et al., 1993gas phase; B

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.

Wagner and Bock, 1974
Wagner, G.; Bock, H., Photoelektronenspektren und molekuleigenschaften, XXVI. Die delokalisation von schwefel-elektronenpaaren in alkylsulfiden und -disulfiden, Chem. Ber., 1974, 107, 68. [all data]

Entfellner and Boesl, 2009
Entfellner, M.; Boesl, U., Photodetachment-photoelectron spectroscopy of disulfanide: the ground and first excited electronic state of HS2 and DS2, Phys. Chem. Chem. Phys., 2009, 11, 15, 2657-2662, https://doi.org/10.1039/b820174a . [all data]

Ohair, Depuy, et al., 1993
Ohair, R.A.J.; Depuy, C.H.; Bierbaum, V.M., Gas-Phase Chemistry and Thermochemistry of the Hydroxysulfide Anion, HOS-, J. Phys. Chem., 1993, 97, 30, 7955, https://doi.org/10.1021/j100132a026 . [all data]


Notes

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