Hydrogen sulfide
- Formula: H2S
- Molecular weight: 34.081
- IUPAC Standard InChIKey: RWSOTUBLDIXVET-UHFFFAOYSA-N
- CAS Registry Number: 7783-06-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Dihydrogen monosulfide; Dihydrogen sulfide; Hydrosulfuric acid; Stink damp; Sulfur hydride; Sulfureted hydrogen; H2S; Sulfuretted hydrogen; Hydrogen sulphide; Hydrogen sulfide (H2S); Acide sulfhydrique; Hydrogene sulfure; Idrogeno solforato; Rcra waste number U135; Schwefelwasserstoff; Siarkowodor; UN 1053; Zwavelwaterstof; Hepatic gas; Hepatic acid; Hydrogen monosulfide; Sewer gas
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Ion clustering 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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: CH6N+ + H2S = (CH6N+ • H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 45.2 | kJ/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 84. | J/mol*K | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
23. | 270. | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; M |
By formula: CN- + H2S = (CN- • H2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 79.1 ± 4.2 | kJ/mol | TDEq | Meot-ner, 1988 | gas phase; B |
ΔrH° | 83. ± 15. | kJ/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 99.6 | J/mol*K | N/A | Larson and McMahon, 1987 | gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 54.0 ± 4.2 | kJ/mol | TDEq | Meot-ner, 1988 | gas phase; B |
ΔrG° | 51.9 ± 9.6 | kJ/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
By formula: C3H7+ + H2S = (C3H7+ • H2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 134. | kJ/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1991 | gas phase; condensation; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 146. | J/mol*K | PHPMS | Meot-Ner (Mautner) and Sieck, 1991 | gas phase; condensation; M |
By formula: F- + H2S = (F- • H2S)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 145. ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1983 | gas 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 |
ΔrS° | 78.7 | J/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 121. ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1983 | gas 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 |
By formula: F5S- + H2S = (F5S- • H2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 212. ± 48. | kJ/mol | SIFT | Zangerle, Hansel, et al., 1993 | gas phase; CID with Ar; M |
By formula: HS- + H2S = (HS- • H2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 55.2 ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 82.4 | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 31. ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988 | gas phase; B |
By formula: H2S+ + H2S = (H2S+ • H2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 88.7 | kJ/mol | PI | Prest, Tzeng, et al., 1983 | gas phase; M |
ΔrH° | 71.1 | kJ/mol | PI | Walters and Blais, 1981 | gas phase; M |
By formula: (H2S+ • H2S) + H2S = (H2S+ • 2H2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18. | kJ/mol | PI | Prest, Tzeng, et al., 1983 | gas phase; M |
ΔrH° | 13. | kJ/mol | PI | Walters and Blais, 1981 | gas phase; M |
By formula: (H2S+ • 2H2S) + H2S = (H2S+ • 3H2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.0 | kJ/mol | PI | Walters and Blais, 1981 | gas phase; M |
By formula: (H2S+ • 3H2S) + H2S = (H2S+ • 4H2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.9 | kJ/mol | PI | Walters and Blais, 1981 | gas phase; M |
By formula: (H2S+ • 4H2S) + H2S = (H2S+ • 5H2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11. | kJ/mol | PI | Walters and Blais, 1981 | gas phase; M |
By formula: H3S+ + H2S = (H3S+ • H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 64.4 | kJ/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
ΔrH° | 45.2 | kJ/mol | PI | Walters and Blais, 1984 | gas phase; M |
ΔrH° | 44.4 | kJ/mol | PI | Prest, Tzeng, et al., 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 102. | J/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
ΔrS° | 74.5 | J/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable; M |
ΔrS° | 78.2 | J/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
By formula: (H3S+ • H2S) + H2S = (H3S+ • 2H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 38. | kJ/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
ΔrH° | 25. | kJ/mol | PI | Walters and Blais, 1984 | gas phase; M |
ΔrH° | 30. | kJ/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 87.4 | J/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
ΔrS° | 72.4 | J/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
By formula: (H3S+ • 2H2S) + H2S = (H3S+ • 3H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18. | kJ/mol | PI | Walters and Blais, 1984 | gas phase; M |
ΔrH° | 35. | kJ/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
ΔrH° | 23. | kJ/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 103. | J/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
ΔrS° | 59. | J/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable; M |
By formula: (H3S+ • 3H2S) + H2S = (H3S+ • 4H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 28. | kJ/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
ΔrH° | 10. | kJ/mol | PI | Walters and Blais, 1984 | gas phase; M |
ΔrH° | 14. | kJ/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 103. | J/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
ΔrS° | 42. | J/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable; M |
By formula: (H3S+ • 4H2S) + H2S = (H3S+ • 5H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26. | kJ/mol | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 100. | J/mol*K | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
7.1 | 185. | PHPMS | Hiraoka and Kebarle, 1977 | gas phase; M |
By formula: H4N+ + H2S = (H4N+ • H2S)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 47.7 | kJ/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 69.9 | J/mol*K | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; M |
By formula: I- + H2S = (I- • H2S)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37. ± 4.2 | kJ/mol | TDAs | Caldwell, Masucci, et al., 1989 | gas phase; B,M |
+ = H2NOS-
By formula: NO- + H2S = H2NOS-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.4 | kJ/mol | N/A | Hendricks, de Clercq, et al., 2002 | gas phase; B |
References
Go To: Top, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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, 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]
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]
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]
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]
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]
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]
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]
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]
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]
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
Go To: Top, Ion clustering 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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