Thioacetic acid

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Reaction thermochemistry 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 by: 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

Diacetyl sulphide = Ketene + Thioacetic acid

By formula: C4H6O2S = C2H2O + C2H4OS

Quantity Value Units Method Reference Comment
Δr94.7kJ/molEqkBlake and Speis, 1974gas phase; Heat of formation derived by 77PED/RYL

Thioacetic acid + Water = Acetic acid + Hydrogen sulfide

By formula: C2H4OS + H2O = C2H4O2 + H2S

Quantity Value Units Method Reference Comment
Δr-2.7 ± 0.3kJ/molCmSunner and Wadso, 1957liquid phase; Heat of hydrolysis

Thioacetic acid + Acetone = Ethanethioic acid, S-(1-hydroxy-1-methylethyl) ester

By formula: C2H4OS + C3H6O = C5H10O2S

Quantity Value Units Method Reference Comment
Δr-27. ± 0.8kJ/molEqkHorii, Kawamura, et al., 1972liquid phase; solvent: CD3COCD3; NMR

Ketene + Thioacetic acid = Diacetyl sulphide

By formula: C2H2O + C2H4OS = C4H6O2S

Quantity Value Units Method Reference Comment
Δr-94.7kJ/molEqkBlake and Speis, 1974gas phase

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C2H4OS+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
10.06PENagata, Yamabe, et al., 1975Vertical value; LLK

Mass spectrum (electron ionization)

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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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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.
Origin NIST Mass Spectrometry Data Center, 1998.
NIST MS number 292015

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References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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.

Blake and Speis, 1974
Blake, P.G.; Speis, A., Reactions of keten. Part IV. Kinetics and thermodynamics of the gas-phase reaction: Thioacetic acid + keten = acetic Thioanhydride, J. Chem. Soc. Perkin Trans. 2, 1974, 1879-1881. [all data]

Sunner and Wadso, 1957
Sunner, S.; Wadso, I., The heat of hydrolysis of thiolacetic acid, Trans. Faraday Soc., 1957, 53, 455-459. [all data]

Horii, Kawamura, et al., 1972
Horii, T.; Kawamura, S.; Tsurugi, J., A NMR study of the thioacetic acid-acetone mixture, Bull. Chem. Soc. Jpn., 1972, 45, 2200-2202. [all data]

Nagata, Yamabe, et al., 1975
Nagata, S.; Yamabe, T.; Fukui, K., A study of the electronic spectra of thioacetic acid and its ethyl ester, J. Phys. Chem., 1975, 79, 2335. [all data]


Notes

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