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Ethanethiol

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Gas 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-46.15kJ/molCcrMcCullough, Hubbard, et al., 1957 

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-73.68kJ/molCcrMcCullough, Hubbard, et al., 1957ALS
Quantity Value Units Method Reference Comment
Deltacliquid-2173.2 ± 0.42kJ/molCcrMcCullough, Hubbard, et al., 1957Reanalyzed by Cox and Pilcher, 1970, Original value = -2172.0 ± 0.42 kJ/mol; ALS
Deltacliquid-2164.kJ/molCcbBerthelot, 1901ALS
Quantity Value Units Method Reference Comment
liquid207.02J/mol*KN/AMcCullough, Scott, et al., 1952DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
117.99299.05McCullough, Scott, et al., 1952T = 14 to 315 K. Unsmoothed experimental datum.; DH

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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 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

C2H5S- + Hydrogen cation = Ethanethiol

By formula: C2H5S- + H+ = C2H6S

Quantity Value Units Method Reference Comment
Deltar1488. ± 8.8kJ/molD-EAJanousek, Reed, et al., 1980gas phase; B
Deltar1486. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Deltar1460. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

CH6N+ + Ethanethiol = (CH6N+ bullet Ethanethiol)

By formula: CH6N+ + C2H6S = (CH6N+ bullet C2H6S)

Quantity Value Units Method Reference Comment
Deltar61.1kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar82.0J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

S-Ethyl ethanethioate + Water = Acetic acid + Ethanethiol

By formula: C4H8OS + H2O = C2H4O2 + C2H6S

Quantity Value Units Method Reference Comment
Deltar-4.0 ± 0.3kJ/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

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

McCullough, Hubbard, et al., 1957
McCullough, J.P.; Hubbard, W.N.; Frow, F.R.; Hossenlopp, I.A.; Waddington, G., Ethanethiol and 2-thiapropane: Heats of formation and isomerization; the chemical thermodynamic properties from 0 to 1000°K, J. Am. Chem. Soc., 1957, 79, 561-566. [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]

Berthelot, 1901
Berthelot, M., Chimie Organique. - Nouvelles recherches sur l'isomerie des ethers sulfocyaniques, Compt. Rend., 1901, 132, 57-58. [all data]

McCullough, Scott, et al., 1952
McCullough, J.P.; Scott, D.W.; Finke, H.L.; Gross, M.E.; Williamson, K.D.; Pennington, R.E.; Waddington, G.; Huffman, H.M., Ethanethiol (ethyl mercaptan): thermodynamic properties in the solid, liquid and vapor states. Thermodynamic functions to 1000K, J. Am. Chem. Soc., 1952, 74, 2801-2804. [all data]

Janousek, Reed, et al., 1980
Janousek, B.K.; Reed, K.J.; Brauman, J.I., Electron photodetachment from mercaptyl anions (RS- electron affinities of mercaptyl radicals and the S-H bond strength in mercaptans), J. Am. Chem. Soc., 1980, 102, 3125. [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]

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]

Wadso, 1957
Wadso, I., The heats of hydrolysis of some alkyl thiolesters, Acta Chem. Scand., 1957, 11, 1745-1751. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References