MeS anion
- Formula: CH3S-
- Molecular weight: 47.100
- IUPAC Standard InChI: InChI=1S/CH4S/c1-2/h2H,1H3/p-1
- IUPAC Standard InChIKey: LSDPWZHWYPCBBB-UHFFFAOYSA-M
- CAS Registry Number: 17302-63-5
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, Ion clustering 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: John E. Bartmess
Protonation reactions
+
=
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1496. ± 8.4 | kJ/mol | D-EA | Schwartz, Davico, et al., 2000 | gas phase |
| ΔrH° | 1496. ± 8.4 | kJ/mol | D-EA | Moran and Ellison, 1988 | gas phase |
| ΔrH° | 1493. ± 9.2 | kJ/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1467. ± 8.4 | kJ/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale |
Ion clustering data
Go To: Top, Gas phase ion energetics 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 as indicated in comments:
B - John E. Bartmess
M - 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
( • 4294967295
) +
=
By formula: (CH3S- • 4294967295CH2S) + CH2S = CH3S-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 305. ± 16. | kJ/mol | N/A | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
+
= (
•
)
By formula: CH3S- + C3H8O = (CH3S- • C3H8O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 71.55 ± 0.84 | kJ/mol | TDAs | Sieck and Meot-ner, 1989 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 96.7 | J/mol*K | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 42.7 ± 3.3 | kJ/mol | TDAs | Sieck and Meot-ner, 1989 | gas phase; B |
+
= (
•
)
By formula: CH3S- + H2O = (CH3S- • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 62.76 ± 0.84 | kJ/mol | TDAs | Sieck and Meot-ner, 1989 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 88.7 | J/mol*K | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 36.4 ± 2.9 | kJ/mol | TDAs | Sieck and Meot-ner, 1989 | gas phase; B |
( •
) +
= (
• 2
)
By formula: (CH3S- • H2O) + H2O = (CH3S- • 2H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 56.5 | kJ/mol | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 98.3 | J/mol*K | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
( • 2
) +
= (
• 3
)
By formula: (CH3S- • 2H2O) + H2O = (CH3S- • 3H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 46.4 | kJ/mol | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 85.8 | J/mol*K | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
( • 3
) +
= (
• 4
)
By formula: (CH3S- • 3H2O) + H2O = (CH3S- • 4H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 40. | kJ/mol | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 80.3 | J/mol*K | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
References
Go To: Top, Gas phase ion energetics 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.
Schwartz, Davico, et al., 2000
Schwartz, R.L.; Davico, G.E.; Lineberger, W.C.,
Negative-ion photoelectron spectroscopy of CH3S-,
J. Electron Spectros. Rel. Phenom., 2000, 108, 1-3, 163-168, https://doi.org/10.1016/S0368-2048(00)00125-0
. [all data]
Moran and Ellison, 1988
Moran, S.; Ellison, G.B.,
Photoelectron Spectroscopy of Sulfur Ions,
J. Phys. Chem., 1988, 92, 7, 1794, https://doi.org/10.1021/j100318a021
. [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]
Sieck and Meot-ner, 1989
Sieck, L.W.; Meot-ner, M.,
Ionic Hydrogen Bond and Ion Solvation. 8. RS-..HOR Bond Strengths. Correlation with Acidities.,
J. Phys. Chem., 1989, 93, 4, 1586, https://doi.org/10.1021/j100341a079
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions 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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