Dimethyl Sulfoxide

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Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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
Δfgas-35.97 ± 0.36kcal/molCcrMasuda, Nagano, et al., 1994H2SO4 (1:115 H2O)

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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
Δr373.5 ± 2.1kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr374.3 ± 2.3kcal/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr366.4 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr367.2 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas phase; B

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

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

Quantity Value Units Method Reference Comment
Δr19.2 ± 1.0kcal/molTDAsSieck, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/ASieck, 1985gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr8.7 ± 1.0kcal/molTDAsSieck, 1985gas phase; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.7420.PHPMSSieck, 1985gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
Δr16.80 ± 0.10kcal/molTDAsSieck, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.5cal/mol*KPHPMSSieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Δr9.50 ± 0.20kcal/molTDAsSieck, 1985gas phase; B
Δr8.6 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

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

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

Quantity Value Units Method Reference Comment
Δr16.3 ± 2.0kcal/molN/AChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B,M
Quantity Value Units Method Reference Comment
Δr22.5cal/mol*KPHPMSChowdhury, 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr8.4 ± 2.0kcal/molTDAsChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

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

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

Quantity Value Units Method Reference Comment
Δr17.30kcal/molTDAsMagnera, Caldwell, et al., 1984gas phase; B,M
Δr17.2kcal/molHPMSCaldwell, Masucci, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr21.4cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr10.90kcal/molTDAsMagnera, Caldwell, et al., 1984gas phase; B

Iodide + Dimethyl Sulfoxide = (Iodide • Dimethyl Sulfoxide)

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

Quantity Value Units Method Reference Comment
Δr15.70kcal/molTDAsMagnera, Caldwell, et al., 1984gas phase; B,M
Δr16.kcal/molPHPMSCaldwell, Masucci, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr21.7cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr9.20kcal/molTDAsMagnera, Caldwell, et al., 1984gas phase; B

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

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

Quantity Value Units Method Reference Comment
Δr14.6 ± 2.0kcal/molN/AChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B,M
Quantity Value Units Method Reference Comment
Δr22.3cal/mol*KPHPMSChowdhury, 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr7.1 ± 2.0kcal/molTDAsChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

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

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

Quantity Value Units Method Reference Comment
Δr18.60kcal/molTDAsMagnera, Caldwell, et al., 1984gas phase; B,M
Quantity Value Units Method Reference Comment
Δr20.4cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr12.50kcal/molTDAsMagnera, Caldwell, et al., 1984gas phase; B

C2H7OS+ + Dimethyl Sulfoxide = (C2H7OS+ • Dimethyl Sulfoxide)

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

Quantity Value Units Method Reference Comment
Δr30.8kcal/molPHPMSLau, Saluja, et al., 1980gas phase; switching reaction((CH3)2SOH+)(CH3)2CO; M
Quantity Value Units Method Reference Comment
Δr22.9cal/mol*KPHPMSLau, Saluja, et al., 1980gas phase; switching reaction((CH3)2SOH+)(CH3)2CO; M

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

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

Quantity Value Units Method Reference Comment
Δr21.3kcal/molPHPMSLau, Saluja, et al., 1980gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr10.9cal/mol*KPHPMSLau, Saluja, et al., 1980gas phase; Entropy change is questionable; M

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

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

Quantity Value Units Method Reference Comment
Δr15.8kcal/molHPMSSunner, 1984gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr37.cal/mol*KHPMSSunner, 1984gas phase; Entropy change is questionable; M

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

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

Quantity Value Units Method Reference Comment
Δr15.5kcal/molHPMSSunner, 1984gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr40.cal/mol*KHPMSSunner, 1984gas phase; Entropy change is questionable; M

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

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

Quantity Value Units Method Reference Comment
Δr7.9 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.9343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr8.2 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.2343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr7.5 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.5343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr7.8 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.8343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr7.8 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.8343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr7.6 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.6343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr4.4 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
4.4343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr6.2 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.2343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr5.9 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
5.9343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr8.6 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.6343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr4.5 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
4.5343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr6.2 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.2343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr6.8 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.8343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr31.1kcal/molCIDTKlassen, Anderson, et al., 1996RCD
Δr35.kcal/molHPMSSunner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr31.cal/mol*KHPMSSunner, 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr6.7 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.7343.PHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr6.6 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.6343.PHPMSChowdhury, 1987gas phase; M

2Dimethyl sulfide + Oxygen = 2Dimethyl Sulfoxide

By formula: 2C2H6S + O2 = 2C2H6OS

Quantity Value Units Method Reference Comment
Δr-66.36 ± 0.20kcal/molCmDouglas, 1946liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -66.5 ± 0.2 kcal/mol; At 291°K; ALS

Dimethyl sulfone = Dimethyl Sulfoxide + 0.5Oxygen

By formula: C2H6O2S = C2H6OS + 0.5O2

Quantity Value Units Method Reference Comment
Δr58.16 ± 0.20kcal/molCmDouglas, 1946liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 59.0 ± 0.2 kcal/mol; At 291°K; ALS

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

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

Quantity Value Units Method Reference Comment
Δr14.9kcal/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr29.8cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr14.6kcal/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr37.2cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr13.8kcal/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr40.2cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr11.6kcal/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr25.1cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr13.6kcal/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr27.5cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr16.0kcal/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr23.8cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr12.8kcal/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr22.0cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr14.5kcal/molPHPMSMagnera, Caldwell, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr22.4cal/mol*KPHPMSMagnera, Caldwell, et al., 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr31.1kcal/molCIDKlassen, Anderson, et al., 1996RCD

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
31.0298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

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

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

Quantity Value Units Method Reference Comment
Δr20.kcal/molHPMSSunner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr28.cal/mol*KHPMSSunner, 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr16.kcal/molHPMSSunner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr30.cal/mol*KHPMSSunner, 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr29.kcal/molHPMSSunner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr34.cal/mol*KHPMSSunner, 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr16.0kcal/molPHPMSChowdhury, 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr33.6cal/mol*KPHPMSChowdhury, 1987gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr7.4 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

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

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

Quantity Value Units Method Reference Comment
Δr5.9 ± 1.6kcal/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
Δr5.7 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

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

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

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.2308.PHPMSKnighton, Zook, et al., 1990gas phase; M

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

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

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.7308.PHPMSKnighton, Zook, et al., 1990gas phase; M

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

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

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
5.7343.PHPMSChowdhury, 1987gas phase; M

IR Spectrum

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

Data compiled by: Coblentz Society, Inc.

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


Mass spectrum (electron ionization)

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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: 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

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

Go To: Top, Gas 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryMethyl Silicone100.780.Huber, Kenndler, et al., 1993H2; Column length: 5. m; Phase thickness: 2.65 μm
CapillaryMethyl Silicone120.784.Huber, Kenndler, et al., 1993H2; Column length: 5. m; Phase thickness: 2.65 μm
CapillaryMethyl Silicone80.777.Huber, Kenndler, et al., 1993H2; Column length: 5. m; Phase thickness: 2.65 μm

Kovats' RI, polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG-20M130.1569.Huber, Kenndler, et al., 1993Column length: 10. m; Phase thickness: 1.33 μm
CapillaryPEG-20M150.1584.Huber, Kenndler, et al., 1993Column length: 10. m; Phase thickness: 1.33 μm
CapillaryPEG-20M130.1569.1Huber, Kenndler, et al., 1993Column length: 10. m; Phase thickness: 1.33 μm

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-1782.Hancock and Peters, 1991He, 50. C @ 2. min, 10. K/min; Column length: 15. m; Column diameter: 0.53 mm
CapillaryDB-5820.1Hancock and Peters, 1991He, 50. C @ 2. min, 10. K/min; Column length: 15. m; Column diameter: 0.53 mm
CapillaryDB-5820.5Hancock and Peters, 1991He, 50. C @ 2. min, 10. K/min; Column length: 15. m; Column diameter: 0.53 mm
CapillaryDB-5829.2Hancock and Peters, 1991He, 50. C @ 2. min, 10. K/min; Column length: 15. m; Column diameter: 0.53 mm
CapillaryDB-1786.6D'Agostino and Provost, 198515. m/0.32 mm/0.25 μm, He, 50. C @ 2. min, 10. K/min, 300. C @ 5. min

Van Den Dool and Kratz RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryStabilwax1560.Cros, Lignot, et al., 200560. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 3. K/min, 240. C @ 10. min
CapillaryStabilwax1560.Cros, Vandanjon, et al., 200360. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 3. K/min, 240. C @ 10. min
CapillarySupelcowax-101563.Chung, 199960. m/0.25 mm/0.25 μm, He, 35. C @ 5. min, 2. K/min, 195. C @ 90. min
CapillaryDB-Wax1582.3D'Agostino and Provost, 198515. m/0.32 mm/0.25 μm, He, 50. C @ 2. min, 10. K/min, 250. C @ 5. min

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-101790.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C
CapillaryHP-1772.Valette, Fernandez, et al., 200350. m/0.2 mm/0.5 μm, He, 2. K/min, 220. C @ 40. min; Tstart: 60. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryCP-Sil5 CB MS780.Iraqi, Vermeulen, et al., 200550. m/0.32 mm/1.2 μm; Program: 36C(2min) => 20C/min => 85C => 1C/min => 145C => 3C/min => 250C(30min)
CapillarySPB-5827.Begnaud, Pérès, et al., 200360. m/0.32 mm/1. μm; Program: not specified
CapillarySPB-1784.Flanagan, Streete, et al., 199760. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C
CapillarySPB-1784.Strete, Ruprah, et al., 199260. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C
CapillaryOV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc.787.Waggott and Davies, 1984Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-Innowax1603.Puvipirom and Chaisei, 201215. m/0.32 mm/0.50 μm, Helium, 3. K/min; Tstart: 40. C; Tend: 250. C
CapillaryHP-Innowax1582.Soria, Sanz, et al., 200850. m/0.20 mm/0.20 μm, Helium, 45. C @ 2. min, 4. K/min, 190. C @ 50. min
CapillaryStabilwax1560.Cros, Vandanjon, et al., 200760. m/0.25 mm/0.25 μm, Helium, 40. C @ 5. min, 3. K/min, 240. C @ 10. min
CapillaryRTX-Wax1569.Prososki, Etzel, et al., 200730. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 10. K/min, 220. C @ 10. min
CapillaryHP-Innowax1596.Soria, Gonzalez, et al., 200450. m/0.2 mm/0.2 μm, He, 45. C @ 2. min, 4. K/min, 190. C @ 50. min
CapillaryStabilwax1560.Cros, Vandanjon, et al., 2003, 260. m/0.25 mm/0.25 μm, Helium, 40. C @ 5. min, 3. K/min, 240. C @ 10. min
CapillaryDB-Wax1553.Wei, Mura, et al., 200160. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 200. C
CapillaryDB-Wax1595.Iwatsuki, Mizota, et al., 19994. K/min; Column length: 30. m; Column diameter: 0.53 mm; Tstart: 60. C; Tend: 210. C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillarySOLGel-Wax1576.Johanningsmeier and McFeeters, 201130. m/0.25 mm/0.25 μm, Helium; Program: 40 0C (2 min) 5 0C/min -> 140 0C 10 0C/min -> 250 0C (3 min)
CapillarySOLGel-Wax1582.Johanningsmeier and McFeeters, 201130. m/0.25 mm/0.25 μm, Helium; Program: not specified
CapillaryDB-FFAP1553.Mebazaa, Mahmoudi, et al., 200930. m/0.25 mm/0.25 μm, Helium; Program: 50 0C 2 0C/min -> 100 0C (5 min) 5 0C/min -> 250 0C
CapillaryDB-FFAP1549.Mebazaa, Mahmoudi, et al., 200930. m/0.25 mm/0.25 μm, Helium; Program: not specified
CapillaryCP-Wax 52 CB1550.Kaack and Christensen, 200850. m/0.25 mm/0.29 μm, Helium; Program: 33 0C (1 min) 2 0C/min -> 130 0C 10 0C/min -> 220 0C
CapillaryDB-Wax1579.Kim. J.H., Ahn, et al., 200460. m/0.25 mm/0.25 μm, Helium; Program: 60 0C (3 min) 2 0C/min -> 150 0C 4 0C/min -> 200 0C
CapillaryCarbowax 20M1554.Vinogradov, 2004Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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]

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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]

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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]

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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]

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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]

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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]

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Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

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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]

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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]

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Cros, S.; Vandanjon, L.; Jaouen, P.; Bourseau, P., Processing of industrial mussel cooking juices by reverse osmosis: pollution abatement and aromas recovery, 2003, retrieved from http://www.membrane.unsw.edu.au/imstec03/content/papers/DAI/imstec064.pdf. [all data]

Chung, 1999
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Iraqi, R.; Vermeulen, C.; Benzekri, A.; Bouseta, A.; Collin, S., Screening for key odorants in Moroccan green olives by gas chromatography-olfactometry/aroma extract dilution analysis, J. Agric. Food Chem., 2005, 53, 4, 1179-1184, https://doi.org/10.1021/jf040349w . [all data]

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Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References