Dimethyl sulfoxide, protonated
- Formula: C2H7OS+
- Molecular weight: 79.141
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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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
C2H7OS+ + = (C2H7OS+ •
)
By formula: C2H7OS+ + C2H6OS = (C2H7OS+ • C2H6OS)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 30.8 | kcal/mol | PHPMS | Lau, Saluja, et al., 1980 | gas phase; switching reaction((CH3)2SOH+)(CH3)2CO |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22.9 | cal/mol*K | PHPMS | Lau, Saluja, et al., 1980 | gas phase; switching reaction((CH3)2SOH+)(CH3)2CO |
(C2H7OS+ • ) +
= (C2H7OS+ • 2
)
By formula: (C2H7OS+ • C2H6OS) + C2H6OS = (C2H7OS+ • 2C2H6OS)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 21.3 | kcal/mol | PHPMS | Lau, Saluja, et al., 1980 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 10.9 | cal/mol*K | PHPMS | Lau, Saluja, et al., 1980 | gas phase; Entropy change is questionable |
C2H7OS+ + = (C2H7OS+ •
)
By formula: C2H7OS+ + C3H6O = (C2H7OS+ • C3H6O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 24.1 | kcal/mol | PHPMS | Lau, Saluja, et al., 1980 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24.5 | cal/mol*K | PHPMS | Lau, Saluja, et al., 1980 | gas phase |
Ion clustering data
Go To: Top, Reaction 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 by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
C2H7OS+ + = (C2H7OS+ •
)
By formula: C2H7OS+ + C2H6OS = (C2H7OS+ • C2H6OS)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 30.8 | kcal/mol | PHPMS | Lau, Saluja, et al., 1980 | gas phase; switching reaction((CH3)2SOH+)(CH3)2CO |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22.9 | cal/mol*K | PHPMS | Lau, Saluja, et al., 1980 | gas phase; switching reaction((CH3)2SOH+)(CH3)2CO |
(C2H7OS+ • ) +
= (C2H7OS+ • 2
)
By formula: (C2H7OS+ • C2H6OS) + C2H6OS = (C2H7OS+ • 2C2H6OS)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 21.3 | kcal/mol | PHPMS | Lau, Saluja, et al., 1980 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 10.9 | cal/mol*K | PHPMS | Lau, Saluja, et al., 1980 | gas phase; Entropy change is questionable |
C2H7OS+ + = (C2H7OS+ •
)
By formula: C2H7OS+ + C3H6O = (C2H7OS+ • C3H6O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 24.1 | kcal/mol | PHPMS | Lau, Saluja, et al., 1980 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24.5 | cal/mol*K | PHPMS | Lau, Saluja, et al., 1980 | gas phase |
References
Go To: Top, Reaction thermochemistry data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Notes
Go To: Top, Reaction thermochemistry data, Ion clustering data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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