Hydrogen sulfide

• Formula: H₂S
• Molecular weight: 34.081
• IUPAC Standard InChI: InChI=1S/H2S/h1H2 Copy

  
• IUPAC Standard InChIKey: RWSOTUBLDIXVET-UHFFFAOYSA-N Copy
• 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
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase ion energetics data
  • Ion clustering data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • IR Spectrum
  • Vibrational and/or electronic energy levels
  • Gas Chromatography
  • Fluid Properties
• Data at other public NIST sites:
  • Microwave spectra (on physics lab web site)
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
• Options:
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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Gas phase ion energetics data

Go To: Top, Ion clustering data, Mass spectrum (electron ionization), References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to H₂S⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

HS^- +  =

By formula: HS^- + H⁺ = H₂S

Ion clustering data

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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

CH₆N⁺ +  = (CH₆N⁺ • )

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

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

CN^- +  = (CN^- • )

By formula: CN^- + H₂S = (CN^- • H₂S)

C₃H₇⁺ +  = (C₃H₇⁺ • )

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

 +  = ( • )

By formula: F^- + H₂S = (F^- • H₂S)

Bond type: Hydrogen bond (negative ion to hydride)

F₅S^- +  = (F₅S^- • )

By formula: F₅S^- + H₂S = (F₅S^- • H₂S)

HS^- +  = (HS^- • )

By formula: HS^- + H₂S = (HS^- • H₂S)

H₂S⁺ +  = (H₂S⁺ • )

By formula: H₂S⁺ + H₂S = (H₂S⁺ • H₂S)

(H₂S⁺ • ) +  = (H₂S⁺ • 2)

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

(H₂S⁺ • 2) +  = (H₂S⁺ • 3)

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

(H₂S⁺ • 3) +  = (H₂S⁺ • 4)

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

(H₂S⁺ • 4) +  = (H₂S⁺ • 5)

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

H₃S⁺ +  = (H₃S⁺ • )

By formula: H₃S⁺ + H₂S = (H₃S⁺ • H₂S)

Bond type: Hydrogen bond (positive ion to hydride)

(H₃S⁺ • ) +  = (H₃S⁺ • 2)

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

Bond type: Hydrogen bond (positive ion to hydride)

(H₃S⁺ • 2) +  = (H₃S⁺ • 3)

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

Bond type: Hydrogen bond (positive ion to hydride)

(H₃S⁺ • 3) +  = (H₃S⁺ • 4)

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

Bond type: Hydrogen bond (positive ion to hydride)

(H₃S⁺ • 4) +  = (H₃S⁺ • 5)

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

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

 +  = ( • )

By formula: H₄N⁺ + H₂S = (H₄N⁺ • H₂S)

Bond type: Hydrogen bond (positive ion to hydride)

 +  = ( • )

By formula: I^- + H₂S = (I^- • H₂S)

Bond type: Hydrogen bond (negative ion to hydride)

 +  = H₂NOS^-

By formula: NO^- + H₂S = H₂NOS^-

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, Ion clustering data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [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., Molecular beam photoionization study of H₂S, Int. J. Mass Spectrom. Ion Processes, 1983, 50, 315. [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]

Smith, Adams, et al., 1981
Smith, D.; Adams, N.G.; Lindinger, W., Reactions of the HnS ions (n = 0 to 3) with several molecular gases at thermal energies, J. Chem. Phys., 1981, 75, 3365. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Karlsson, Mattsson, et al., 1976
Karlsson, L.; Mattsson, L.; Jadrny, R.; Bergmark, T.; Siegbahn, K., Vibrational ans vibronic structure in the valence electron spectrum of H₂S, Phys. Scr., 1976, 13, 229. [all data]

Balkis, Gaines, et al., 1976
Balkis, T.; Gaines, A.F.; Ozgen, G.; Ozgen, I.T.; Flowers, M.C., Ionization of hydrogen sul- phide, selenide and telluride by electron impact, J. Chem. Soc. Faraday Trans. 2, 1976, 72, 524. [all data]

Rabalais, Debies, et al., 1974
Rabalais, J.W.; Debies, T.P.; Berkosky, J.L.; Huang, J.-T.J.; Ellison, F.O., Calculated photoionization cross sections relative experimental photoionization intensities for a selection of small molecules, J. Chem. Phys., 1974, 61, 516. [all data]

Natalis, 1973
Natalis, P., Contribution a la spectroscopie photoelectronique. Effets de l'autoionisation dans less spectres photoelectroniques de molecules diatomiques et triatomiques, Acad. R. Belg. Mem. Cl. Sci. Collect. 8, 1973, 41, 1. [all data]

Morrison and Traeger, 1973
Morrison, J.D.; Traeger, J.C., Ionization and dissociation by electron impact. I. H₂O and H₂S, Int. J. Mass Spectrom. Ion Phys., 1973, 11, 77. [all data]

Potts and Price, 1972
Potts, A.W.; Price, W.C., Photoelectron spectra and valence shell orbital structures of groups V VI hydrides, Proc. R. Soc. London A:, 1972, 326, 181. [all data]

Delwiche and Natalis, 1970
Delwiche, J.; Natalis, P., Photoelectron spectrometry of hydrogen sulfide, Chem. Phys. Lett., 1970, 5, 564. [all data]

Delwiche, Natalis, et al., 1970
Delwiche, J.; Natalis, P.; Collin, J.E., High resolution photoelectron spectrometry of H₂S and H₂Se, Intern. J. Mass Spectrom. Ion Phys., 1970, 5, 443. [all data]

Dibeler and Liston, 1968
Dibeler, V.H.; Liston, S.K., Mass-spectrometric study of photoionization. XI.Hydrogen sulfide and sulfur dioxide, J. Chem. Phys., 1968, 49, 482. [all data]

Al-Joboury and Turner, 1964
Al-Joboury, M.I.; Turner, D.W., Molecular photoelectron spectroscopy. Part II. A summary of ionization potentials, J. Chem. Soc., 1964, 4434. [all data]

Frost and McDowell, 1958
Frost, D.C.; McDowell, C.A., Excited states of the molecular ions of hydrogen fluoride, hydrogen iodide, water, hydrogen sulphide, and ammonia, Can. J. Chem., 1958, 36, 39. [all data]

Watanabe, 1954
Watanabe, K., Photoionization and total absorption cross section of gases. I. Ionization potentials of several molecules. Cross sections of NH₃ and NO, J. Chem. Phys., 1954, 22, 1564. [all data]

Price, 1935
Price, W.C., The far ultraviolet absorption spectra and ionization potentials of H₂S, CS₂, and SO₂, Bull. Am. Phys. Soc., 1935, 10, 9. [all data]

Bieri, Asbrink, et al., 1982
Bieri, G.; Asbrink, L.; Von Niessen, W., 30.4-nm He(II) photoelectron spectra of organic molecules, J. Electron Spectrosc. Relat. Phenom., 1982, 27, 129. [all data]

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]

Schweig and Thiel, 1974
Schweig, A.; Thiel, W., Photoionization cross sections: He I- and He II-photoelectron spectra of homologous oxygen and sulphur compounds, Mol. Phys., 1974, 27, 265. [all data]

Bock, Wagner, et al., 1972
Bock, H.; Wagner, G.; Kroner, J., Photoelektronenspektren und molekuleigenschaften, XIV. Die delokalisation des schwefel-elektronenpaar in CH₃S-substituierten aromaten, Chem. Ber., 1972, 105, 3850. [all data]

Palmer and Lossing, 1962
Palmer, T.F.; Lossing, F.P., Free radicals by mass spectrometry. XXVIII. The HS, CH₃S, and phenyl-S radicals: ionization potentials and heats of formation, J. Am. Chem. Soc., 1962, 84, 4661. [all data]

Eland, 1979
Eland, J.H.D., Dissociations of state-selected C₂H₂⁺, H₂S⁺ and D₂S⁺ ions studied by photoelectron-photoion coincidence spectroscopy, Int. J. Mass Spectrom. Ion Phys., 1979, 31, 161. [all data]

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]

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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
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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]

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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]

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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]

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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]

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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, 2
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]

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]

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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, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  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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