diethyl sulphoxide

• Formula: C₄H₁₀OS
• Molecular weight: 106.187
• IUPAC Standard InChI: InChI=1S/C4H10OS/c1-3-6(5)4-2/h3-4H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: CCAFPWNGIUBUSD-UHFFFAOYSA-N Copy
• CAS Registry Number: 70-29-1
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Diethyl sulfoxide
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
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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

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

Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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:
L - Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₄H₁₀OS⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

References

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

Mackle and O'Hare, 1961
Mackle, H.; O'Hare, P.A.G., Studies in the thermochemistry of sulphoxides. Part 1 - The gas-phase heats of formation of diethyl, di-n-propyl, t-butyl ethyl, allyl ethyl and diphenyl sulphoxides, Trans. Faraday Soc., 1961, 57, 2219-2224. [all data]

Mackle and O'Hare, 1961, 2
Mackle, H.; O'Hare, P.A.G., Studies in the thermochemistry of sulphoxides. Part 1.- The gas-phase heats of formation of diethyl, di-n-propyl, t-butyl ethyl, allyl ethyl and diphenyl sulphoxides, Trans. Faraday Soc., 1961, 57, 2119. [all data]

Markarian, Zatikyan, et al., 2005
Markarian, Shiraz A.; Zatikyan, Ashkhen L.; Grigoryan, Vazganush V.; Grigoryan, Gevorg S., Vapor Pressures of Pure Diethyl Sulfoxide from (298.15 to 318.15) K and Vapor-Liquid Equilibria of Binary Mixtures of Diethyl Sulfoxide with Water, J. Chem. Eng. Data, 2005, 50, 1, 23-25, https://doi.org/10.1021/je034278t . [all data]

Potzinger, Stracke, et al., 1975
Potzinger, P.; Stracke, H.-U.; Kupper, W.; Gollnick, K., Ionisierungs- und Auftrittspotentialmessungen an Dialkylsulfoxiden, Z. Naturforsch. A:, 1975, 30, 340. [all data]

Bock and Solouki, 1974
Bock, H.; Solouki, B., Photoelektronenspektren und molekuleigenschaften, XXXV. Sulfoxide X₂SO - beispiele fur den nutzen von korrelations - diagrammen bei der diskussion von substituenteneffekten und von geometrischen storungen, Chem. Ber., 1974, 107, 2299. [all data]

Bock and Solouki, 1972
Bock, H.; Solouki, B., The sulfoxide bond, Angew. Chem. Int. Ed. Engl., 1972, 11, 436. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  Tboil	Boiling point
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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