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Carbonyl 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

Fluorine anion + Carbonyl sulfide = (Fluorine anion bullet Carbonyl sulfide)

By formula: F- + COS = (F- bullet COS)

Quantity Value Units Method Reference Comment
Deltar31.8 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Deltar24.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

Methyl cation + Carbonyl sulfide = (Methyl cation bullet Carbonyl sulfide)

By formula: CH3+ + COS = (CH3+ bullet COS)

Quantity Value Units Method Reference Comment
Deltar57.2kcal/molPHPMSMcMahon, Heinis, et al., 1988gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 48.3 kcal/mol; Foster, Williamson, et al., 1974; M

Carbonyl sulfide + Water = Carbon dioxide + Hydrogen sulfide

By formula: COS + H2O = CO2 + H2S

Quantity Value Units Method Reference Comment
Deltar-7.99 ± 0.23kcal/molEqkTerres and Wesemann, 1932gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -8.522 kcal/mol; ALS

Carbonyl sulfide = Carbon monoxide + sulfur

By formula: COS = CO + S

Quantity Value Units Method Reference Comment
Deltar7.77 ± 0.06kcal/molEqkBechtold, 1965gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 7.25 kcal/mol; ALS

(COS+ bullet Carbonyl sulfide) + Carbonyl sulfide = (COS+ bullet 2Carbonyl sulfide)

By formula: (COS+ bullet COS) + COS = (COS+ bullet 2COS)

Quantity Value Units Method Reference Comment
Deltar1.6kcal/molPIOno, Osuch, et al., 1981gas phase; M

COS+ + Carbonyl sulfide = (COS+ bullet Carbonyl sulfide)

By formula: COS+ + COS = (COS+ bullet COS)

Quantity Value Units Method Reference Comment
Deltar17.2kcal/molPIOno, Osuch, et al., 1981gas phase; M

CS2+ + Carbonyl sulfide = (CS2+ bullet Carbonyl sulfide)

By formula: CS2+ + COS = (CS2+ bullet COS)

Quantity Value Units Method Reference Comment
Deltar5.8kcal/molPIOno, Osuch, et al., 1981gas phase; M

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.

Larson and McMahon, 1985
Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of the main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ICR halide exchange equilibria, J. Am. Chem. Soc., 1985, 107, 766. [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]

McMahon, Heinis, et al., 1988
McMahon, T.; Heinis, T.; Nicol, G.; Hovey, J.K.; Kebarle, P., Methyl Cation Affinities, J. Am. Chem. Soc., 1988, 110, 23, 7591, https://doi.org/10.1021/ja00231a002 . [all data]

Foster, Williamson, et al., 1974
Foster, M.S.; Williamson, A.D.; Beauchamp, J.L., Photoionization mass spectrometry of trans-azomethane, Int. J. Mass Spectrom. Ion Phys., 1974, 15, 429. [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]

Bechtold, 1965
Bechtold, V.E., Bestimmung des Standardwertes der freien Reaktionsenthalpie für die Bildung von Kohlenoxysulfid aus Kohlenmonoxyd, Ber. Bunsenges. Phys. Chem., 1965, 69, 326-328. [all data]

Ono, Osuch, et al., 1981
Ono, Y.; Osuch, E.A.; Ng, C.Y., Molecular beam photoionization study of OCS, (OCS)2, (OCS)3, and OCS.CS2, J. Chem. Phys., 1981, 74, 1645. [all data]


Notes

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