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Carbonyl sulfide

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-138.41kJ/molReviewChase, 1998Data last reviewed in March, 1966
Deltafgas-139.0 ± 1.0kJ/molEqkBechtold, 1965Reanalyzed by Cox and Pilcher, 1970, Original value = -142.0 kJ/mol; ALS
Deltafgas-139.0 ± 1.0kJ/molEqkTerres and Wesemann, 1932Reanalyzed by Cox and Pilcher, 1970, Original value = -137.52 kJ/mol; ALS
Quantity Value Units Method Reference Comment
gas,1 bar231.57J/mol*KReviewChase, 1998Data last reviewed in March, 1966

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 1200.1200. - 6000.
A 34.5389260.32240
B 43.053781.738332
C -26.61773-0.209982
D 6.3388440.014110
E -0.327515-5.128873
F -151.5001-168.6307
G 259.8118287.6454
H -138.4071-138.4071
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in March, 1966 Data last reviewed in March, 1966

Condensed phase 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid136.31J/mol*KN/AKemp and Giauque, 1937 

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
71.25220.Kemp and Giauque, 1937T = 20 to 220 K.

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Ttriple134.31KN/AClusius and Weigand, 1940Uncertainty assigned by TRC = 0.2 K; see property X for dP/dT for c-l equil.; TRC
Ttriple134.33KN/AKemp and Giauque, 1937, 2Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc378.8KN/ARobinson and Senturk, 1979Uncertainty assigned by TRC = 0.1 K; Vis in bomb with window, TE cal vs PRT,; TRC
Quantity Value Units Method Reference Comment
Pc63.49barN/ARobinson and Senturk, 1979Uncertainty assigned by TRC = 0.05 bar; TRC
Quantity Value Units Method Reference Comment
Vc0.1351l/molN/ARobinson and Senturk, 1979Uncertainty assigned by TRC = 0.002 l/mol; Vis in bomb with window, PP with differential pressure trans; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
18.506222.91N/AKemp and Giauque, 1937P = 101.325 kPa; DH
20.4176.N/ADykyj, Svoboda, et al., 1999Based on data from 161. - 284. K.; AC
18.3299.N/ADykyj, Svoboda, et al., 1999Based on data from 284. - 379. K.; AC
19.5209.AStephenson and Malanowski, 1987Based on data from 140. - 224. K.; AC
19.0 ± 0.1214.N/AFrank and Clusius, 1939AC
19.5209.N/AKemp and Giauque, 1937Based on data from 162. - 224. K.; AC

Entropy of vaporization

DeltavapS (J/mol*K) Temperature (K) Reference Comment
83.02222.91Kemp and Giauque, 1937P; DH

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
161.8 - 223.844.0436808.49-22.72Kemp and Giauque, 1937Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
4.728134.33Kemp and Giauque, 1937DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
35.20134.33Kemp and Giauque, 1937DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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:
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
Deltar133. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar100.J/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
Deltar103. ± 8.4kJ/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
Deltar239.kJ/molPHPMSMcMahon, Heinis, et al., 1988gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 202. kJ/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-33.4 ± 0.96kJ/molEqkTerres and Wesemann, 1932gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -35.66 kJ/mol; ALS

Carbonyl sulfide = Carbon monoxide + sulfur

By formula: COS = CO + S

Quantity Value Units Method Reference Comment
Deltar32.5 ± 0.3kJ/molEqkBechtold, 1965gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 30.3 kJ/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
Deltar6.7kJ/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
Deltar72.0kJ/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
Deltar24.kJ/molPIOno, Osuch, et al., 1981gas phase; M

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 166

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [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]

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

Kemp and Giauque, 1937
Kemp, J.D.; Giauque, W.F., Carbonyl sulfide. The heat capacity, vapor pressure, and heats of fusion and vaporization. The third law of thermodynamics and orientation equilibrium in the solid, J. Am. Chem. Soc., 1937, 59, 79-84. [all data]

Clusius and Weigand, 1940
Clusius, K.; Weigand, K., Melting Curves of the Gases A, Kr, Xe, CH4, CH3D, CD4, C2H4, C2H6, COS, and PH3 to 200 Atmospheres Pressure. The Chane of Volume on Melting, Z. Phys. Chem., Abt. B, 1940, 46, 1-37. [all data]

Kemp and Giauque, 1937, 2
Kemp, J.D.; Giauque, W.F., Carbonyl Sulfide. The Heat Capacity, Vapor Pressure and Heats of Fusion ad Vaporization. The Third Law of Thermodynamics and Orientation Equilibrium in the Solid, J. Am. Chem. Soc., 1937, 59, 79. [all data]

Robinson and Senturk, 1979
Robinson, D.B.; Senturk, N.H., The vapor pressure and critical properties of carbonyl sulfide, J. Chem. Thermodyn., 1979, 11, 461. [all data]

Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R., Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Frank and Clusius, 1939
Frank, A.; Clusius, K., Z. Phys. Chem. Abt. B, 1939, 42, 395. [all data]

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]

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

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References