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Dimethyl Sulfoxide

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

Quantity Value Units Method Reference Comment
Deltafgas-150.5 ± 1.5kJ/molCcrMasuda, Nagano, et al., 1994H2SO4 (1:115 H2O)

Condensed phase thermochemistry data

Go To: Top, Gas 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-203.4 ± 1.4kJ/molCcrMasuda, Nagano, et al., 1994H2SO4 (1:115 H2O); ALS
Quantity Value Units Method Reference Comment
Deltacliquid-2037.3 ± 1.3kJ/molCcrMasuda, Nagano, et al., 1994H2SO4 (1:115 H2O); ALS
Quantity Value Units Method Reference Comment
liquid188.78J/mol*KN/AClever and Westrum, 1970DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
149.39298.15Grolier, Roux-Desgranges, et al., 1993DH
148.28298.15Barta, Kooner, et al., 1989DH
153.6298.15Rodante and Marrosu, 1988DH
153.2298.15Lankford and Criss, 1987DH
155.9298.15de Visser and Somsen, 1979DH
155.9298.15De Visser, Heuvelsland, et al., 1978DH
153.18298.15Clever and Westrum, 1970T = 5 to 350 K.; DH
149.0298.15Kenttmaa and Lindberg, 1960T = 298, 343 K.; DH

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, Chris Muzny, director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil463. ± 1.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus291.65KN/ALindberg and Stenholm, 1966Uncertainty assigned by TRC = 0.4 K; TRC
Tfus291.57KN/ADouglas, 1948Uncertainty assigned by TRC = 0.2 K; TRC
Tfus291.65KN/ADouglas, 1946Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple291.59KN/AClever and Westrum, 1970, 2Uncertainty assigned by TRC = 0.1 K; TRC
Ttriple291.67KN/AClever and Westrum, 1970, 2Uncertainty assigned by TRC = 0.06 K; TRC
Quantity Value Units Method Reference Comment
Deltavap52.9 ± 0.4kJ/molVDouglas, 1948, 2ALS
Deltavap52.9 ± 0.4kJ/molRGDouglas, 1948, 3Based on data from 293. - 323. K.; AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
48.1368.TGAAl-Najjar and Al-Sammerrai, 2007Based on data from 353. - 383. K.; AC
48.6392.N/ADykyj, Svoboda, et al., 1999Based on data from 377. - 483. K.; AC
51.7320.AStephenson and Malanowski, 1987Based on data from 305. - 464. K.; AC
52.3308.N/ASassa, Konishi, et al., 1974Based on data from 298. - 318. K.; AC
50.6340.MMJakli and Alexander Van Hook, 1972Based on data from 325. - 442. K. See also Boublik, Fried, et al., 1984.; AC
52.1318.N/ANISHIMURA, NAKAYAMA, et al., 1972Based on data from 303. - 423. K.; AC
52.5308.N/AMeszaros, 1969Based on data from 293. - 323. K.; AC

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
325.49 - 442.094.491071807.002-60.995Jakli and van Hook, 1972Coefficents calculated by NIST from author's data.
293. - 323.5.230392239.161-29.215Douglas, 1948, 3Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
14.368291.67Clever and Westrum, 1970DH
14.37291.7Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
49.26291.67Clever and Westrum, 1970DH

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
RCD - Robert C. Dunbar
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

C2H5OS- + Hydrogen cation = Dimethyl Sulfoxide

By formula: C2H5OS- + H+ = C2H6OS

Quantity Value Units Method Reference Comment
Deltar1563. ± 8.8kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Deltar1566. ± 9.6kJ/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Deltar1533. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Deltar1536. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase; B

Nitrogen oxide anion + Dimethyl Sulfoxide = (Nitrogen oxide anion bullet Dimethyl Sulfoxide)

By formula: NO2- + C2H6OS = (NO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar80.3 ± 4.2kJ/molTDAsSieck, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar100.J/mol*KN/ASieck, 1985gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar36. ± 4.2kJ/molTDAsSieck, 1985gas phase; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
36.420.PHPMSSieck, 1985gas phase; Entropy change calculated or estimated; M

C6H5NO2- + Dimethyl Sulfoxide = (C6H5NO2- bullet Dimethyl Sulfoxide)

By formula: C6H5NO2- + C2H6OS = (C6H5NO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar70.29 ± 0.42kJ/molTDAsSieck, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar103.J/mol*KPHPMSSieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar39.7 ± 0.84kJ/molTDAsSieck, 1985gas phase; B
Deltar36. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

C7H7NO3- + Dimethyl Sulfoxide = (C7H7NO3- bullet Dimethyl Sulfoxide)

By formula: C7H7NO3- + C2H6OS = (C7H7NO3- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar68.2 ± 8.4kJ/molN/AChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B,M
Quantity Value Units Method Reference Comment
Deltar94.1J/mol*KPHPMSChowdhury, 1987gas phase; M
Quantity Value Units Method Reference Comment
Deltar35. ± 8.4kJ/molTDAsChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Bromine anion + Dimethyl Sulfoxide = (Bromine anion bullet Dimethyl Sulfoxide)

By formula: Br- + C2H6OS = (Br- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar72.38kJ/molTDAsMagnera, Caldwell, et al., 1984gas phase; B,M
Deltar72.0kJ/molHPMSCaldwell, Masucci, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar89.5J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar45.61kJ/molTDAsMagnera, Caldwell, et al., 1984gas phase; B

Iodide + Dimethyl Sulfoxide = (Iodide bullet Dimethyl Sulfoxide)

By formula: I- + C2H6OS = (I- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar65.69kJ/molTDAsMagnera, Caldwell, et al., 1984gas phase; B,M
Deltar67.kJ/molPHPMSCaldwell, Masucci, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar90.8J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar38.5kJ/molTDAsMagnera, Caldwell, et al., 1984gas phase; B

C7H4F3NO2- + Dimethyl Sulfoxide = (C7H4F3NO2- bullet Dimethyl Sulfoxide)

By formula: C7H4F3NO2- + C2H6OS = (C7H4F3NO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar61.1 ± 8.4kJ/molN/AChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B,M
Quantity Value Units Method Reference Comment
Deltar93.3J/mol*KPHPMSChowdhury, 1987gas phase; M
Quantity Value Units Method Reference Comment
Deltar30. ± 8.4kJ/molTDAsChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Chlorine anion + Dimethyl Sulfoxide = (Chlorine anion bullet Dimethyl Sulfoxide)

By formula: Cl- + C2H6OS = (Cl- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar77.82kJ/molTDAsMagnera, Caldwell, et al., 1984gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar85.4J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar52.30kJ/molTDAsMagnera, Caldwell, et al., 1984gas phase; B

C2H7OS+ + Dimethyl Sulfoxide = (C2H7OS+ bullet Dimethyl Sulfoxide)

By formula: C2H7OS+ + C2H6OS = (C2H7OS+ bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar129.kJ/molPHPMSLau, Saluja, et al., 1980gas phase; switching reaction((CH3)2SOH+)(CH3)2CO; M
Quantity Value Units Method Reference Comment
Deltar95.8J/mol*KPHPMSLau, Saluja, et al., 1980gas phase; switching reaction((CH3)2SOH+)(CH3)2CO; M

(C2H7OS+ bullet Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (C2H7OS+ bullet 2Dimethyl Sulfoxide)

By formula: (C2H7OS+ bullet C2H6OS) + C2H6OS = (C2H7OS+ bullet 2C2H6OS)

Quantity Value Units Method Reference Comment
Deltar89.1kJ/molPHPMSLau, Saluja, et al., 1980gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar45.6J/mol*KPHPMSLau, Saluja, et al., 1980gas phase; Entropy change is questionable; M

(Potassium ion (1+) bullet 4Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Potassium ion (1+) bullet 5Dimethyl Sulfoxide)

By formula: (K+ bullet 4C2H6OS) + C2H6OS = (K+ bullet 5C2H6OS)

Quantity Value Units Method Reference Comment
Deltar66.1kJ/molHPMSSunner, 1984gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar150.J/mol*KHPMSSunner, 1984gas phase; Entropy change is questionable; M

(Potassium ion (1+) bullet 5Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Potassium ion (1+) bullet 6Dimethyl Sulfoxide)

By formula: (K+ bullet 5C2H6OS) + C2H6OS = (K+ bullet 6C2H6OS)

Quantity Value Units Method Reference Comment
Deltar64.9kJ/molHPMSSunner, 1984gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar170.J/mol*KHPMSSunner, 1984gas phase; Entropy change is questionable; M

C6H4FNO2- + Dimethyl Sulfoxide = (C6H4FNO2- bullet Dimethyl Sulfoxide)

By formula: C6H4FNO2- + C2H6OS = (C6H4FNO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar33. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
33.343.PHPMSChowdhury, 1987gas phase; M

C6H4FNO2- + Dimethyl Sulfoxide = (C6H4FNO2- bullet Dimethyl Sulfoxide)

By formula: C6H4FNO2- + C2H6OS = (C6H4FNO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar34. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
34.343.PHPMSChowdhury, 1987gas phase; M

C6H4ClNO2- + Dimethyl Sulfoxide = (C6H4ClNO2- bullet Dimethyl Sulfoxide)

By formula: C6H4ClNO2- + C2H6OS = (C6H4ClNO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar31. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
31.343.PHPMSChowdhury, 1987gas phase; M

C6H4FNO2- + Dimethyl Sulfoxide = (C6H4FNO2- bullet Dimethyl Sulfoxide)

By formula: C6H4FNO2- + C2H6OS = (C6H4FNO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar33. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
33.343.PHPMSChowdhury, 1987gas phase; M

C6H4ClNO2- + Dimethyl Sulfoxide = (C6H4ClNO2- bullet Dimethyl Sulfoxide)

By formula: C6H4ClNO2- + C2H6OS = (C6H4ClNO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar33. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
33.343.PHPMSChowdhury, 1987gas phase; M

C6H4ClNO2- + Dimethyl Sulfoxide = (C6H4ClNO2- bullet Dimethyl Sulfoxide)

By formula: C6H4ClNO2- + C2H6OS = (C6H4ClNO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar32. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
32.343.PHPMSChowdhury, 1987gas phase; M

C6H4N2O4- + Dimethyl Sulfoxide = (C6H4N2O4- bullet Dimethyl Sulfoxide)

By formula: C6H4N2O4- + C2H6OS = (C6H4N2O4- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar18. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
18.343.PHPMSChowdhury, 1987gas phase; M

C6H4N2O4- + Dimethyl Sulfoxide = (C6H4N2O4- bullet Dimethyl Sulfoxide)

By formula: C6H4N2O4- + C2H6OS = (C6H4N2O4- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar26. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
26.343.PHPMSChowdhury, 1987gas phase; M

C6H4N2O4- + Dimethyl Sulfoxide = (C6H4N2O4- bullet Dimethyl Sulfoxide)

By formula: C6H4N2O4- + C2H6OS = (C6H4N2O4- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar25. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
25.343.PHPMSChowdhury, 1987gas phase; M

C7H7NO2- + Dimethyl Sulfoxide = (C7H7NO2- bullet Dimethyl Sulfoxide)

By formula: C7H7NO2- + C2H6OS = (C7H7NO2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar36. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
36.343.PHPMSChowdhury, 1987gas phase; M

C6F4O2- + Dimethyl Sulfoxide = (C6F4O2- bullet Dimethyl Sulfoxide)

By formula: C6F4O2- + C2H6OS = (C6F4O2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar19. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
19.343.PHPMSChowdhury, 1987gas phase; M

p-Benzoquinone anion + Dimethyl Sulfoxide = (p-Benzoquinone anion bullet Dimethyl Sulfoxide)

By formula: C6H4O2- + C2H6OS = (C6H4O2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar26. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
26.343.PHPMSChowdhury, 1987gas phase; M

C7H4N2O2- + Dimethyl Sulfoxide = (C7H4N2O2- bullet Dimethyl Sulfoxide)

By formula: C7H4N2O2- + C2H6OS = (C7H4N2O2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar28. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
28.343.PHPMSChowdhury, 1987gas phase; M

Potassium ion (1+) + Dimethyl Sulfoxide = (Potassium ion (1+) bullet Dimethyl Sulfoxide)

By formula: K+ + C2H6OS = (K+ bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar130.kJ/molCIDTKlassen, Anderson, et al., 1996RCD
Deltar150.kJ/molHPMSSunner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar130.J/mol*KHPMSSunner, 1984gas phase; M

C4H2O3- + Dimethyl Sulfoxide = (C4H2O3- bullet Dimethyl Sulfoxide)

By formula: C4H2O3- + C2H6OS = (C4H2O3- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar28. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
28.343.PHPMSChowdhury, 1987gas phase; M

C7H4N2O2- + Dimethyl Sulfoxide = (C7H4N2O2- bullet Dimethyl Sulfoxide)

By formula: C7H4N2O2- + C2H6OS = (C7H4N2O2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar28. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
28.343.PHPMSChowdhury, 1987gas phase; M

2Dimethyl sulfide + Oxygen = 2Dimethyl Sulfoxide

By formula: 2C2H6S + O2 = 2C2H6OS

Quantity Value Units Method Reference Comment
Deltar-277.7 ± 0.84kJ/molCmDouglas, 1946, 2liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -278.3 ± 0.8 kJ/mol; At 291°K; ALS

Dimethyl sulfone = Dimethyl Sulfoxide + 0.5Oxygen

By formula: C2H6O2S = C2H6OS + 0.5O2

Quantity Value Units Method Reference Comment
Deltar243.3 ± 0.84kJ/molCmDouglas, 1946, 2liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 246.9 ± 0.8 kJ/mol; At 291°K; ALS

(Chlorine anion bullet 2Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Chlorine anion bullet 3Dimethyl Sulfoxide)

By formula: (Cl- bullet 2C2H6OS) + C2H6OS = (Cl- bullet 3C2H6OS)

Quantity Value Units Method Reference Comment
Deltar62.3kJ/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar125.J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

(Chlorine anion bullet 3Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Chlorine anion bullet 4Dimethyl Sulfoxide)

By formula: (Cl- bullet 3C2H6OS) + C2H6OS = (Cl- bullet 4C2H6OS)

Quantity Value Units Method Reference Comment
Deltar61.1kJ/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar156.J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

(Chlorine anion bullet 4Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Chlorine anion bullet 5Dimethyl Sulfoxide)

By formula: (Cl- bullet 4C2H6OS) + C2H6OS = (Cl- bullet 5C2H6OS)

Quantity Value Units Method Reference Comment
Deltar57.7kJ/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar168.J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

(Iodide bullet 2Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Iodide bullet 3Dimethyl Sulfoxide)

By formula: (I- bullet 2C2H6OS) + C2H6OS = (I- bullet 3C2H6OS)

Quantity Value Units Method Reference Comment
Deltar48.5kJ/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar105.J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

(Bromine anion bullet 2Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Bromine anion bullet 3Dimethyl Sulfoxide)

By formula: (Br- bullet 2C2H6OS) + C2H6OS = (Br- bullet 3C2H6OS)

Quantity Value Units Method Reference Comment
Deltar56.9kJ/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar115.J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

(Chlorine anion bullet Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Chlorine anion bullet 2Dimethyl Sulfoxide)

By formula: (Cl- bullet C2H6OS) + C2H6OS = (Cl- bullet 2C2H6OS)

Quantity Value Units Method Reference Comment
Deltar66.9kJ/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar99.6J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

(Iodide bullet Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Iodide bullet 2Dimethyl Sulfoxide)

By formula: (I- bullet C2H6OS) + C2H6OS = (I- bullet 2C2H6OS)

Quantity Value Units Method Reference Comment
Deltar53.6kJ/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar92.0J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

(Bromine anion bullet Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Bromine anion bullet 2Dimethyl Sulfoxide)

By formula: (Br- bullet C2H6OS) + C2H6OS = (Br- bullet 2C2H6OS)

Quantity Value Units Method Reference Comment
Deltar60.7kJ/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar93.7J/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

Sodium ion (1+) + Dimethyl Sulfoxide = (Sodium ion (1+) bullet Dimethyl Sulfoxide)

By formula: Na+ + C2H6OS = (Na+ bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar130.kJ/molCIDKlassen, Anderson, et al., 1996RCD

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
130.298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

(Potassium ion (1+) bullet 2Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Potassium ion (1+) bullet 3Dimethyl Sulfoxide)

By formula: (K+ bullet 2C2H6OS) + C2H6OS = (K+ bullet 3C2H6OS)

Quantity Value Units Method Reference Comment
Deltar84.kJ/molHPMSSunner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar120.J/mol*KHPMSSunner, 1984gas phase; M

(Potassium ion (1+) bullet 3Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Potassium ion (1+) bullet 4Dimethyl Sulfoxide)

By formula: (K+ bullet 3C2H6OS) + C2H6OS = (K+ bullet 4C2H6OS)

Quantity Value Units Method Reference Comment
Deltar67.kJ/molHPMSSunner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar130.J/mol*KHPMSSunner, 1984gas phase; M

(Potassium ion (1+) bullet Dimethyl Sulfoxide) + Dimethyl Sulfoxide = (Potassium ion (1+) bullet 2Dimethyl Sulfoxide)

By formula: (K+ bullet C2H6OS) + C2H6OS = (K+ bullet 2C2H6OS)

Quantity Value Units Method Reference Comment
Deltar120.kJ/molHPMSSunner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar140.J/mol*KHPMSSunner, 1984gas phase; M

C7H4N2O2- + Dimethyl Sulfoxide = (C7H4N2O2- bullet Dimethyl Sulfoxide)

By formula: C7H4N2O2- + C2H6OS = (C7H4N2O2- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar66.9kJ/molPHPMSChowdhury, 1987gas phase; M
Quantity Value Units Method Reference Comment
Deltar141.J/mol*KPHPMSChowdhury, 1987gas phase; M

C6H4NO3- + Dimethyl Sulfoxide = (C6H4NO3- bullet Dimethyl Sulfoxide)

By formula: C6H4NO3- + C2H6OS = (C6H4NO3- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar31. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

C6H4NO3- + Dimethyl Sulfoxide = (C6H4NO3- bullet Dimethyl Sulfoxide)

By formula: C6H4NO3- + C2H6OS = (C6H4NO3- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar25. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

1,4-Naphthalenedione anion + Dimethyl Sulfoxide = C12H12O3S-

By formula: C10H6O2- + C2H6OS = C12H12O3S-

Quantity Value Units Method Reference Comment
Deltar24. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

F6S- + Dimethyl Sulfoxide = (F6S- bullet Dimethyl Sulfoxide)

By formula: F6S- + C2H6OS = (F6S- bullet C2H6OS)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
30.308.PHPMSKnighton, Zook, et al., 1990gas phase; M

Perfluoro(methylcyclohexane) anion + Dimethyl Sulfoxide = (Perfluoro(methylcyclohexane) anion bullet Dimethyl Sulfoxide)

By formula: C7F14- + C2H6OS = (C7F14- bullet C2H6OS)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
32.308.PHPMSKnighton, Zook, et al., 1990gas phase; M

1,4-Naphthalenedione anion + Dimethyl Sulfoxide = (1,4-Naphthalenedione anion bullet Dimethyl Sulfoxide)

By formula: C10H6O2- + C2H6OS = (C10H6O2- bullet C2H6OS)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
24.343.PHPMSChowdhury, 1987gas 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.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


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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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, 1990.
NIST MS number 118614

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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.

Masuda, Nagano, et al., 1994
Masuda, N.; Nagano, Y.; Sakiyama, M., Standard molar enthalpy of formation of (CH3)2SO, dimethylsulfoxide, by combustion calorimetry, J. Chem. Thermodyn., 1994, 26, 971-975. [all data]

Clever and Westrum, 1970
Clever, H.L.; Westrum, E.F., Jr., Dimethylsulfoxide and dimethylsulfone. Heat capacities, enthalpies of fusion, and thermodynamic properties, J. Phys. Chem., 1970, 74, 1309-1317. [all data]

Grolier, Roux-Desgranges, et al., 1993
Grolier, J.-P.E.; Roux-Desgranges, G.; Berkane, M.; Jimenez, E.; Wilhelm, E., Heat capacities and densities of mixtures of very polar substances 2. Mixtures containing N,N-dimethylformamide, J. Chem. Thermodynam., 1993, 25(1), 41-50. [all data]

Barta, Kooner, et al., 1989
Barta, L.; Kooner, Z.S.; Hepler, L.G.; Roux-Desgranges, G.; Grolier, J.-P.E., Thermal and volumetric properties of chloroform dimethylsulfoxide: Thermodynamic analysis using the ideal associated solution model, J. Solution Chem., 1989, 18(7), 663-673. [all data]

Rodante and Marrosu, 1988
Rodante, F.; Marrosu, G., Excess molar isobaric heat capacities and excess molar enthalpies for water-dimethylsulfoxide mixtures at 25°C, Thermochim. Acta, 1988, 136, 209-218. [all data]

Lankford and Criss, 1987
Lankford, J.I.; Criss, C.M., Partial molar heat caqpacities of selected electrolytes and benzene in methanol and dimethyldulfoxide at 25, 40 and 80°C, J. Solution Chem., 1987, 16(11), 885-906. [all data]

de Visser and Somsen, 1979
de Visser, C.; Somsen, G., Thermochemical behavior of mixtures of N,N-dimethylformamide with dimethylsulfoxide, acetonitrile, and N-methylformamide: volumes and heat capacities, J. Solution Chem., 1979, 8, 593-600. [all data]

De Visser, Heuvelsland, et al., 1978
De Visser, C.; Heuvelsland, W.J.M.; Dunn, L.A.; Somsen, G., Some properties of binary aqueous liquid mixtures, J. Chem. Soc., Faraday Trans.1, 1978, 74, 1159-1169. [all data]

Kenttmaa and Lindberg, 1960
Kenttmaa, J.; Lindberg, J.J., Volumes and heats of mixing of dimethyl sulfoxide-water solutions, Suom. Kemistilehti, 1960, B33, 32-35. [all data]

Lindberg and Stenholm, 1966
Lindberg, J.J.; Stenholm, V., Viscosities, Densities, and Related Properties of Binary Mixtures Containing Dimethyl Sulphoxide and Mono-Subst. Benzenes or Guaiacol, Suom. Kemistiseuran Tied., 1966, 75, 22. [all data]

Douglas, 1948
Douglas, T.B., Vapor Pressure of Methyl Sulfoxide from 20 to 50 deg. Calculation of the Heat of Vaporization, J. Am. Chem. Soc., 1948, 70, 2001. [all data]

Douglas, 1946
Douglas, T.B., Heats of Formation of Liquid Methyl Sulfoxide and Crystalline Methyl Sulfone at 18 deg., J. Am. Chem. Soc., 1946, 68, 1072. [all data]

Clever and Westrum, 1970, 2
Clever, H.L.; Westrum, E.F., Dimethyl sulfoxide and dimethyl sulfone. Heat capacities, enthalpies of fusion, and thermodynamic properties., J. Phys. Chem., 1970, 74, 1309. [all data]

Douglas, 1948, 2
Douglas, T.B., Vapor pressure of methyl sulfoxide from 20 to 50°. Calculation of the heat of vaporization, J. Am. Chem. Soc., 1948, 70, 2001-20. [all data]

Douglas, 1948, 3
Douglas, Thomas B., Vapor Pressure of Methyl Sulfoxide from 20 to 50°. Calculation of the Heat of Vaporization, J. Am. Chem. Soc., 1948, 70, 6, 2001-2002, https://doi.org/10.1021/ja01186a005 . [all data]

Al-Najjar and Al-Sammerrai, 2007
Al-Najjar, Hazim; Al-Sammerrai, Dhoaib, Thermogravimetric determination of the heat of vaporization of some highly polar solvents, J. Chem. Technol. Biotechnol., 2007, 37, 3, 145-152, https://doi.org/10.1002/jctb.280370302 . [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]

Sassa, Konishi, et al., 1974
Sassa, Yoshimasa; Konishi, Ryoichi; Katayama, Takashi, Isothermal vapor-liquid equilibrium data of DMSO [dimethyl sulfoxide] solutions by total pressure method. DMSO-acetone, DMSO-tetrahydrofuran, and DMSO-ethyl acetate systems, J. Chem. Eng. Data, 1974, 19, 1, 44-48, https://doi.org/10.1021/je60060a004 . [all data]

Jakli and Alexander Van Hook, 1972
Jakli, Gyorgy; Alexander Van Hook, W., The vapor pressures of dimethyl sulfoxide and hexadeuterodimethyl sulfoxide from about 313 to 453 K, The Journal of Chemical Thermodynamics, 1972, 4, 6, 857-864, https://doi.org/10.1016/0021-9614(72)90007-9 . [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

NISHIMURA, NAKAYAMA, et al., 1972
NISHIMURA, MICHIKO; NAKAYAMA, MUTSUO; YANO, TAKEO, VAPOR PRESSURE OF PURE DMSO AND VAPOR-LIQUID EQUILIBRIA IN DMSO-H2O SYSTEM UNDER ISOBARIC CONDITIONS, J. Chem. Eng. Japan / JCEJ, 1972, 5, 3, 223-226, https://doi.org/10.1252/jcej.5.223 . [all data]

Meszaros, 1969
Meszaros, S., Period. Polytech., Chem. Eng., 1969, 13, 1-2, 79. [all data]

Jakli and van Hook, 1972
Jakli, G.; van Hook, W.A., The Vapor Pressures of Dimethyl Sulfoxide and Hexadeuterodimethyl Sulfoxide from about 313 to 453 K, J. Chem. Thermodyn., 1972, 4, 6, 857-864, https://doi.org/10.1016/0021-9614(72)90007-9 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [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]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]

Sieck, 1985
Sieck, L.W., Thermochemistry of Solvation of NO2- and C6H5NO2- by Polar Molecules in the Vapor Phase. Comparison with Cl- and Variation with Ligand Structure., J. Phys. Chem., 1985, 89, 25, 5552, https://doi.org/10.1021/j100271a049 . [all data]

Chowdhury, Grimsrud, et al., 1987
Chowdhury, S.; Grimsrud, E.P.; Kebarle, P., Bonding of Charged Delocalized Anions to Protic and Dipolar Aprotic Solvent Molecules, J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021 . [all data]

Chowdhury, 1987
Chowdhury, S. Grimsrud, Bonding of Charge Delocalized Anions to Protic and Dipolar Aprotic Solvents, J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021 . [all data]

Magnera, Caldwell, et al., 1984
Magnera, T.F.; Caldwell, G.; Sumner, J.; Ikuta, S.; Kebarle, P., Solvation of the halide anions in dimethyl sulfoxide. Factors involved in enhanced reactivity of negative ions in dipolar aprotic solvents, J. Am. Chem. Soc., 1984, 106, 6140. [all data]

Caldwell, Masucci, et al., 1989
Caldwell, G.W.; Masucci, J.A.; Ikonomou, M.G., Negative Ion Chemical Ionization Mass Spectrometry - Binding of Molecules to Bromide and Iodide Anions, Org. Mass Spectrom., 1989, 24, 1, 8, https://doi.org/10.1002/oms.1210240103 . [all data]

Lau, Saluja, et al., 1980
Lau, Y.K.; Saluja, P.P.S.; Kebarle, P., The Proton in Dimethyl Sulfoxide and Acetone. Results from Gas - Phase Ion Equilibria Involving (Me2SO)nH+ and (Me2CO)nH+, J. Am. Chem. Soc., 1980, 102, 25, 7429, https://doi.org/10.1021/ja00545a004 . [all data]

Sunner, 1984
Sunner, J. Kebarle, Ion - Solvent Molecule Interactions in the Gas Phase. The Potassium Ion and Me2SO, DMA, DMF, and Acetone, J. Am. Chem. Soc., 1984, 106, 21, 6135, https://doi.org/10.1021/ja00333a002 . [all data]

Klassen, Anderson, et al., 1996
Klassen, J.S.; Anderson, S.G.; Blades, A.T.; Kebarle, P., Reaction Enthalpies for M+L = M+ + L, Where M+ = Na+ and K+ and L = Acetamide, N-Methylacetamide, N,N-Dimethylacetamide, Glycine, and Glycylglycine, from Determinations of the Collision-Induced Dissociation Thresholds, J. Phys. Chem., 1996, 100, 33, 14218, https://doi.org/10.1021/jp9608382 . [all data]

Douglas, 1946, 2
Douglas, T.B., Heats of formation of liquid methyl sulfoxide and crystalline methyl sulfone at 18°, J. Am. Chem. Soc., 1946, 68, 1072-1076. [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]

McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G., An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions, Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7 . [all data]

Knighton, Zook, et al., 1990
Knighton, W.B.; Zook, D.R.; Grimsrud, E.P., Cluster-Assisted Decomposition Reactions of the Molecular Anions of SF6 and C7F14, J. Am. Soc. Mass Spectrom., 1990, 1, 5, 372, https://doi.org/10.1016/1044-0305(90)85017-G . [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