Ethanethioamide

• Formula: C₂H₅NS
• Molecular weight: 75.133
• IUPAC Standard InChI: InChI=1S/C2H5NS/c1-2(3)4/h1H3,(H2,3,4) Copy

  
• IUPAC Standard InChIKey: YUKQRDCYNOVPGJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 62-55-5
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Acetamide, thio-; Acetimidic acid, thio-; Acetothioamide; Thiacetamide; Thioacetamide; TAA; CH3CSNH2; USAF CB-21; USAF EK-1719; Rcra waste number U218; NSC 2120
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• Information on this page:
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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

Constant pressure heat capacity of solid

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 by: John E. Bartmess

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

C₂H₄NS^- +  =

By formula: C₂H₄NS^- + H⁺ = C₂H₅NS

Gas phase ion energetics 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 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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

De-protonation reactions

C₂H₄NS^- +  =

By formula: C₂H₄NS^- + H⁺ = C₂H₅NS

References

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

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

Inagaki, Murata, et al., 1982
Inagaki, S.; Murata, S.; Sakiyama, M., Thermochemical studies on thioacetamide and tetramethylthiourea. Estimation of stablization energies due to interaction between thiocarbonyl group and neighboring nitrogen atom, Bull. Chem. Soc. Jpn., 1982, 55, 2808-2813. [all data]

Sabbah and Gomez, 1982
Sabbah, R.; Gomez, L.A.T., Thermodynamique de substances soufrees. III. Etude thermochimique de la thioacetamide et de la thiobenzamide, Thermochim. Acta, 1982, 52, 285-295. [all data]

Sabbah and Torres-Gomez, 1982
Sabbah, R.; Torres-Gomez, L.A., Thermodynamics of sulfur-containing compounds. III. Thermochemical study of thioacetamide and thiobenzamide, Thermochim. Acta, 1982, 52, 285-295. [all data]

Decouzon, Exner, et al., 1994
Decouzon, M.; Exner, O.; Gal, J.F.; Maria, P.C.; Waisser, K., Acidity and basicity of thiocarboxamides in the gas phase, J. Phys. Org. Chem., 1994, 7, 9, 511, https://doi.org/10.1002/poc.610070907 . [all data]

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]

Mines and Thompson, 1975
Mines, G.W.; Thompson, H.W., The photoelectron spectra of amides, thioamides, ureas and thioureas, Spectrochim. Acta, 1975, 31, 137. [all data]

Guimon, Gonbeau, et al., 1974
Guimon, C.; Gonbeau, D.; Pfister-Guillouzo, G.; Asbrink, L.; Sandstrom, J., Electronic structure of sulphur compounds. VI. Photoelectron spectra of some simple thiocarbonyl compounds, J. Electron Spectrosc. Relat. Phenom., 1974, 4, 49. [all data]

Notes

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• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  IE (evaluated)	Recommended ionization energy
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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