Hydrogen sulfide

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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

HS- + Hydrogen cation = Hydrogen sulfide

By formula: HS- + H+ = H2S

Quantity Value Units Method Reference Comment
Δr1470. ± 3.kJ/molAVGN/AAverage of 6 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr1441. ± 13.kJ/molH-TSRempala and Ervin, 2000gas phase; B
Δr1443. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr1443.1 ± 0.42kJ/molH-TSShiell, Hu, et al., 1900gas phase; 0K:350.125±0.009 kcal/mol, corr to 298K from Gurvich, Veyts, et al., With EA( Breyer, Frey, et al., 1981)BDE(0K)=89.97±0.05; B
Δr1446. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase; B
Δr1432.2kJ/molN/ACheck, Faust, et al., 2001gas phase; MnO2-(t); ; ΔS(EA)=5.4; B

Fluorine anion + Hydrogen sulfide = (Fluorine anion • Hydrogen sulfide)

By formula: F- + H2S = (F- • H2S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr145. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Quantity Value Units Method Reference Comment
Δr78.7J/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr121. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

H3S+ + Hydrogen sulfide = (H3S+ • Hydrogen sulfide)

By formula: H3S+ + H2S = (H3S+ • H2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr64.4kJ/molPHPMSHiraoka and Kebarle, 1977gas phase; M
Δr45.2kJ/molPIWalters and Blais, 1984gas phase; M
Δr44.4kJ/molPIPrest, Tzeng, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr102.J/mol*KPHPMSHiraoka and Kebarle, 1977gas phase; M
Δr74.5J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1977gas phase; Entropy change is questionable; M
Δr78.2J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1977gas phase; M

CN- + Hydrogen sulfide = (CN- • Hydrogen sulfide)

By formula: CN- + H2S = (CN- • H2S)

Quantity Value Units Method Reference Comment
Δr79.1 ± 4.2kJ/molTDEqMeot-ner, 1988gas phase; B
Δr83. ± 15.kJ/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr99.6J/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Δr54.0 ± 4.2kJ/molTDEqMeot-ner, 1988gas phase; B
Δr51.9 ± 9.6kJ/molIMRELarson and McMahon, 1987gas phase; B,M

(H3S+ • 3Hydrogen sulfide) + Hydrogen sulfide = (H3S+ • 4Hydrogen sulfide)

By formula: (H3S+ • 3H2S) + H2S = (H3S+ • 4H2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr28.kJ/molPHPMSHiraoka and Kebarle, 1977gas phase; M
Δr10.kJ/molPIWalters and Blais, 1984gas phase; M
Δr14.kJ/molPHPMSMeot-Ner (Mautner) and Field, 1977gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr103.J/mol*KPHPMSHiraoka and Kebarle, 1977gas phase; M
Δr42.J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1977gas phase; Entropy change is questionable; M

(H3S+ • 2Hydrogen sulfide) + Hydrogen sulfide = (H3S+ • 3Hydrogen sulfide)

By formula: (H3S+ • 2H2S) + H2S = (H3S+ • 3H2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr18.kJ/molPIWalters and Blais, 1984gas phase; M
Δr35.kJ/molPHPMSHiraoka and Kebarle, 1977gas phase; M
Δr23.kJ/molPHPMSMeot-Ner (Mautner) and Field, 1977gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr103.J/mol*KPHPMSHiraoka and Kebarle, 1977gas phase; M
Δr59.J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1977gas phase; Entropy change is questionable; M

(H3S+ • Hydrogen sulfide) + Water = (H3S+ • Water • Hydrogen sulfide)

By formula: (H3S+ • H2S) + H2O = (H3S+ • H2O • H2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr79.9kJ/molPHPMSHiraoka and Kebarle, 1977gas phase; From thermochemical cycle,switching reaction(H3S+ H2O)H2O; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984; M
Quantity Value Units Method Reference Comment
Δr91.2J/mol*KPHPMSHiraoka and Kebarle, 1977gas phase; From thermochemical cycle,switching reaction(H3S+ H2O)H2O; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984; M

(H3S+ • Hydrogen sulfide) + Hydrogen sulfide = (H3S+ • 2Hydrogen sulfide)

By formula: (H3S+ • H2S) + H2S = (H3S+ • 2H2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr38.kJ/molPHPMSHiraoka and Kebarle, 1977gas phase; M
Δr25.kJ/molPIWalters and Blais, 1984gas phase; M
Δr30.kJ/molPHPMSMeot-Ner (Mautner) and Field, 1977gas phase; M
Quantity Value Units Method Reference Comment
Δr87.4J/mol*KPHPMSHiraoka and Kebarle, 1977gas phase; M
Δr72.4J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1977gas phase; M

(H3S+ • 4Hydrogen sulfide) + Hydrogen sulfide = (H3S+ • 5Hydrogen sulfide)

By formula: (H3S+ • 4H2S) + H2S = (H3S+ • 5H2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr26.kJ/molPHPMSHiraoka and Kebarle, 1977gas phase; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KPHPMSHiraoka and Kebarle, 1977gas phase; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
7.1185.PHPMSHiraoka and Kebarle, 1977gas phase; M

CH6N+ + Hydrogen sulfide = (CH6N+ • Hydrogen sulfide)

By formula: CH6N+ + H2S = (CH6N+ • H2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr45.2kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
23.270.PHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

HS- + Hydrogen sulfide = (HS- • Hydrogen sulfide)

By formula: HS- + H2S = (HS- • H2S)

Quantity Value Units Method Reference Comment
Δr55.2 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr82.4J/mol*KPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr31. ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B

NH4+ + Hydrogen sulfide = (NH4+ • Hydrogen sulfide)

By formula: H4N+ + H2S = (H4N+ • H2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr47.7kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Δr69.9J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

C3H7+ + Hydrogen sulfide = (C3H7+ • Hydrogen sulfide)

By formula: C3H7+ + H2S = (C3H7+ • H2S)

Quantity Value Units Method Reference Comment
Δr134.kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; condensation; M
Quantity Value Units Method Reference Comment
Δr146.J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; condensation; M

Carbonyl sulfide + Water = Carbon dioxide + Hydrogen sulfide

By formula: COS + H2O = CO2 + H2S

Quantity Value Units Method Reference Comment
Δr-33.4 ± 0.96kJ/molEqkTerres and Wesemann, 1932gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -35.66 kJ/mol; ALS

(H2S+ • Hydrogen sulfide) + Hydrogen sulfide = (H2S+ • 2Hydrogen sulfide)

By formula: (H2S+ • H2S) + H2S = (H2S+ • 2H2S)

Quantity Value Units Method Reference Comment
Δr18.kJ/molPIPrest, Tzeng, et al., 1983gas phase; M
Δr13.kJ/molPIWalters and Blais, 1981gas phase; M

Iodide + Hydrogen sulfide = (Iodide • Hydrogen sulfide)

By formula: I- + H2S = (I- • H2S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr37. ± 4.2kJ/molTDAsCaldwell, Masucci, et al., 1989gas phase; B,M

H2S+ + Hydrogen sulfide = (H2S+ • Hydrogen sulfide)

By formula: H2S+ + H2S = (H2S+ • H2S)

Quantity Value Units Method Reference Comment
Δr88.7kJ/molPIPrest, Tzeng, et al., 1983gas phase; M
Δr71.1kJ/molPIWalters and Blais, 1981gas phase; M

Thioacetic acid + Water = Acetic acid + Hydrogen sulfide

By formula: C2H4OS + H2O = C2H4O2 + H2S

Quantity Value Units Method Reference Comment
Δr-2.7 ± 0.3kJ/molCmSunner and Wadso, 1957liquid phase; Heat of hydrolysis; ALS

F5S- + Hydrogen sulfide = (F5S- • Hydrogen sulfide)

By formula: F5S- + H2S = (F5S- • H2S)

Quantity Value Units Method Reference Comment
Δr212. ± 48.kJ/molSIFTZangerle, Hansel, et al., 1993gas phase; CID with Ar; M

(H2S+ • 2Hydrogen sulfide) + Hydrogen sulfide = (H2S+ • 3Hydrogen sulfide)

By formula: (H2S+ • 2H2S) + H2S = (H2S+ • 3H2S)

Quantity Value Units Method Reference Comment
Δr5.0kJ/molPIWalters and Blais, 1981gas phase; M

(H2S+ • 3Hydrogen sulfide) + Hydrogen sulfide = (H2S+ • 4Hydrogen sulfide)

By formula: (H2S+ • 3H2S) + H2S = (H2S+ • 4H2S)

Quantity Value Units Method Reference Comment
Δr5.9kJ/molPIWalters and Blais, 1981gas phase; M

(H2S+ • 4Hydrogen sulfide) + Hydrogen sulfide = (H2S+ • 5Hydrogen sulfide)

By formula: (H2S+ • 4H2S) + H2S = (H2S+ • 5H2S)

Quantity Value Units Method Reference Comment
Δr11.kJ/molPIWalters and Blais, 1981gas phase; M

trithiocarbonic acid = Carbon disulfide + Hydrogen sulfide

By formula: CH2S3 = CS2 + H2S

Quantity Value Units Method Reference Comment
Δr44. ± 1.kJ/molCmGattow and Krebes, 1963liquid phase; ALS

Nitric oxide anion + Hydrogen sulfide = H2NOS-

By formula: NO- + H2S = H2NOS-

Quantity Value Units Method Reference Comment
Δr23.4kJ/molN/AHendricks, de Clercq, et al., 2002gas phase; B

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.

Rempala and Ervin, 2000
Rempala, K.; Ervin, K.M., Collisional activation of the Endoergic Hydrogen Atom Transfer Reaction S-(2P) + H2 - SH- + H, J. Chem. Phys., 2000, 112, 10, 4579, https://doi.org/10.1063/1.481016 . [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Shiell, Hu, et al., 1900
Shiell, R.C.; Hu, X.K.; Hu, Q.J.; Hepburn, J.W., A determination of the bond dissociation energy (D-0(H-SH)): Threshold ion-pair production spectroscopy (TIPPS) of a triatomic molecule, J. Phys. Chem. A, 1900, 104, 19, 4339-4342, https://doi.org/10.1021/jp000025k . [all data]

Gurvich, Veyts, et al.
Gurvich, L.V.; Veyts, I.V.; Alcock, C.B., Hemisphere Publishing, NY, 1989, V. 1 2, Thermodynamic Properties of Individual Substances, 4th Ed. [all data]

Breyer, Frey, et al., 1981
Breyer, F.; Frey, P.; Hotop, H., High Resolution Photoelectron Spectrometry of Negative Ions: Rotational Transitions in Laser-Photodetachment of OH-, SH-, and SD-, Z. Phys. A, 1981, 300, 1, 7, https://doi.org/10.1007/BF01412609 . [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]

Larson and McMahon, 1983
Larson, J.W.; McMahon, T.B., Strong hydrogen bonding in gas-phase anions. An ion cyclotron resonance determination of fluoride binding energetics to bronsted acids from gas-phase fluoride exchange equilibria measurements, J. Am. Chem. Soc., 1983, 105, 2944. [all data]

Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R., Bond dissociation energies of F2(-) and HF2(-). A gas-phase experimental and G2 theoretical study, J. Phys. Chem., 1995, 99, 7, 2002, https://doi.org/10.1021/j100007a034 . [all data]

Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P., Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions, J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014 . [all data]

Hiraoka and Kebarle, 1977
Hiraoka, K.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Proton in Hydrogen Sulfide and Hydrogen Sulfide - Water Mixtures. Stabilities of the Hydrogen Bonded Complexes H+(H2S)x(H2O)y, Can. J. Chem., 1977, 55, 1, 24, https://doi.org/10.1139/v77-005 . [all data]

Walters and Blais, 1984
Walters, E.A.; Blais, N.C., Molecular beam photoionization and fragmentation of D2S, (H2S)2, (D2S)2, and H2S.H2O, J. Chem. Phys., 1984, 80, 3501. [all data]

Prest, Tzeng, et al., 1983
Prest, H.F.; Tzeng, W.-B.; Brom, J.M., Jr.; Ng, C.Y., Photoionization study of (H2S)2 and (H2S)3, J. Am. Chem. Soc., 1983, 105, 7531. [all data]

Meot-Ner (Mautner) and Field, 1977
Meot-Ner (Mautner), M.; Field, F.H., Stability, Association and Dissociation in the Cluster Ions H3S+.nH2S, H3O+.nH2O and H3O+.H2O, J. Am. Chem. Soc., 1977, 99, 4, 998, https://doi.org/10.1021/ja00446a004 . [all data]

Meot-ner, 1988
Meot-ner, M., Ionic Hydrogen Bond and Ion Solvation. 6. Interaction Energies of the Acetate Ion with Organic Molecules. Comparison of CH3COO- with Cl-, CN-, and SH-, J. Am. Chem. Soc., 1988, 110, 12, 3854, https://doi.org/10.1021/ja00220a022 . [all data]

Larson and McMahon, 1987
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. The energetics of interaction between cyanide ion and bronsted acids, J. Am. Chem. Soc., 1987, 109, 6230. [all data]

Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P., Hydration of CN-, NO2-, NO3-, and HO- in the gas phase, Can. J. Chem., 1971, 49, 3308. [all data]

Cunningham, Payzant, et al., 1972
Cunningham, A.J.; Payzant, J.D.; Kebarle, P., A Kinetic Study of the Proton Hydrate H+(H2O)n Equilibria in the Gas Phase, J. Am. Chem. Soc., 1972, 94, 22, 7627, https://doi.org/10.1021/ja00777a003 . [all data]

Lias, Liebman, et al., 1984
Lias, S.G.; Liebman, J.F.; Levin, R.D., Evaluated gas phase basicities and proton affinities of molecules heats of formation of protonated molecules, J. Phys. Chem. Ref. Data, 1984, 13, 695. [all data]

Meot-Ner (Mautner) and Sieck, 1985
Meot-Ner (Mautner), M.; Sieck, L.W., The Ionic Hydrogen Bond and Ion Solvation. 4. SH+ O and NH+ S Bonds. Correlations with Proton Affinity. Mutual Effects of Weak and Strong Ligands in Mixed Clusters, J. Phys. Chem., 1985, 89, 24, 5222, https://doi.org/10.1021/j100270a021 . [all data]

Meot-Ner (Mautner) and Sieck, 1991
Meot-Ner (Mautner), M.; Sieck, L.W., Proton affinity ladders from variable-temperature equilibrium measurements. 1. A reevaluation of the upper proton affinity range, J. Am. Chem. Soc., 1991, 113, 12, 4448, https://doi.org/10.1021/ja00012a012 . [all data]

Terres and Wesemann, 1932
Terres, E.; Wesemann, H., Uber Gleichgewichtsmessungen der teilreaktionen bei der umsetzung von scnwefelkohlenstoff mit wasserdampf im temperaturgebiet von 350° bis 900° C, Angew. Chem., 1932, 45, 795-832. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Walters and Blais, 1981
Walters, E.A.; Blais, N.C., Molecular beam photoionization of (H2S)n,n = 1 - 7, J. Chem. Phys., 1981, 75, 4208. [all data]

Caldwell, Masucci, et al., 1989
Caldwell, G.W.; Masucci, J.A.; Ikonomou, M.G., Negative Ion Chemical Ionization Mass Spectrometry - Binding of Molecules to Bromide and Iodide Anions, Org. Mass Spectrom., 1989, 24, 1, 8, https://doi.org/10.1002/oms.1210240103 . [all data]

Sunner and Wadso, 1957
Sunner, S.; Wadso, I., The heat of hydrolysis of thiolacetic acid, Trans. Faraday Soc., 1957, 53, 455-459. [all data]

Zangerle, Hansel, et al., 1993
Zangerle, R.; Hansel, A.; Richter, R.; Lindinger, W., The Reaction of SF5+ + H2S at Near Thermal Energies: Competition between Association and Binary Reactions, Int. J. Mass Spectrom. Ion Proc., 1993, 129, 117, https://doi.org/10.1016/0168-1176(93)87035-Q . [all data]

Gattow and Krebes, 1963
Gattow, V.G.; Krebes, B., Das kohlenstoffsulfid-di-(hydrogensulfid) SC(SH)2 und das system H2S-CS2. 2. Thermochemie des SC(SH)2, Z. Anorg. Allg. Chem., 1963, 322, 113. [all data]

Hendricks, de Clercq, et al., 2002
Hendricks, J.H.; de Clercq, H.L.; Freidhoff, C.B.; Arnold, S.T.; Eaton, J.G.; Fancher, C.; Lyapustina, S.A.; S., Anion solvation at the microscopic level: Photoelectron spectroscopy of the solvated anion clusters, NO-(Y)(n), where Y=Ar, Kr, Xe, N2O, H2S, NH3, H2O, and C2H4(OH)(2), J. Chem. Phys., 2002, 116, 18, 7926-7938, https://doi.org/10.1063/1.1457444 . [all data]


Notes

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