H3S+
- Formula: H3S+
- Molecular weight: 35.088
- CAS Registry Number: 18155-21-0
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Reaction thermochemistry data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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Individual Reactions
By formula: H3S+ + H2S = (H3S+ • H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.4 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
ΔrH° | 10.8 | kcal/mol | PI | Walters and Blais, 1984 | gas phase |
ΔrH° | 10.6 | kcal/mol | PI | Prest, Tzeng, et al., 1983 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.4 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
ΔrS° | 17.8 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable |
ΔrS° | 18.7 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase |
By formula: (H3S+ • 3H2S) + H2S = (H3S+ • 4H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.7 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
ΔrH° | 2.5 | kcal/mol | PI | Walters and Blais, 1984 | gas phase |
ΔrH° | 3.3 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.7 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
ΔrS° | 10. | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable |
By formula: (H3S+ • 2H2S) + H2S = (H3S+ • 3H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.4 | kcal/mol | PI | Walters and Blais, 1984 | gas phase |
ΔrH° | 8.4 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
ΔrH° | 5.4 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.5 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
ΔrS° | 14. | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable |
By formula: (H3S+ • H2S) + H2O = (H3S+ • H2O • H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.1 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; From thermochemical cycle,switching reaction(H3S+ H2O)H2O; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.8 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; From thermochemical cycle,switching reaction(H3S+ H2O)H2O; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984 |
By formula: (H3S+ • H2S) + H2S = (H3S+ • 2H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.1 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
ΔrH° | 6.0 | kcal/mol | PI | Walters and Blais, 1984 | gas phase |
ΔrH° | 7.2 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.9 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
ΔrS° | 17.3 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase |
By formula: (H3S+ • H2O) + H2O = (H3S+ • 2H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.3 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; From thermochemical cycle,switching reaction(H3O+ H2O)H2O; Cunningham, Payzant, et al., 1972, Yamdagni and Kebarle, 1976 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.8 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; From thermochemical cycle,switching reaction(H3O+ H2O)H2O; Cunningham, Payzant, et al., 1972, Yamdagni and Kebarle, 1976 |
By formula: H3S+ + H2O = (H3S+ • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.2 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; From thermochemical cycle,switching reaction(H3O+)H2O; Cunningham, Payzant, et al., 1972, Yamdagni and Kebarle, 1976 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.5 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; From thermochemical cycle,switching reaction(H3O+)H2O; Cunningham, Payzant, et al., 1972, Yamdagni and Kebarle, 1976 |
By formula: (H3S+ • 4H2S) + H2S = (H3S+ • 5H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.1 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24. | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
1.7 | 185. | PHPMS | Hiraoka and Kebarle, 1977 | gas phase |
By formula: H3S+ + CH4 = (H3S+ • CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.9 | kcal/mol | HPMS | Bennet and Field, 1972 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.1 | cal/mol*K | HPMS | Bennet and Field, 1972 | gas phase |
By formula: (H3S+ • 2H2O) + H2O = (H3S+ • 3H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.4 | kcal/mol | PI | Walters and Blais, 1984 | gas phase |
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.
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]
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]
Yamdagni and Kebarle, 1976
Yamdagni, R.; Kebarle, P.,
Gas Phase Basicities and Proton Affinities of Compounds Between Water Ammonia and Substituted Benzenes from a Continuous Ladder of Proton Transfer Equilibrium Measurements,
J. Am. Chem. Soc., 1976, 98, 6, 1320, https://doi.org/10.1021/ja00422a005
. [all data]
Bennet and Field, 1972
Bennet, S.L.; Field, F.H.,
Reversible Reactions of Gaseous Ions. VI. The NH3 - CH4, H2S - CH4 and CF4 - CH4 Systems at Low Temperatures,
J. Am. Chem. Soc., 1972, 94, 18, 6305, https://doi.org/10.1021/ja00773a009
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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