Thioacetaldehyde
- Formula: C2H4S
- Molecular weight: 60.118
- IUPAC Standard InChIKey: QJFUMFCCMJJLIE-UHFFFAOYSA-N
- CAS Registry Number: 6851-93-0
- Chemical structure:
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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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 50. ± 8. | kJ/mol | Ion | Butler and Baer, 1983 |
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: John E. Bartmess
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
C2H3S- + =
By formula: C2H3S- + H+ = C2H4S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1455. ± 14. | kJ/mol | G+TS | Zhang and Grabowski, 1989 | gas phase; Between MeCO2H, EtCO2H (Acid = MeCH=S) |
ΔrH° | 1461. ± 17. | kJ/mol | G+TS | Guillemin, Riague, et al., 2005 | gas phase; Acid: CH3CH=S |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1427. ± 13. | kJ/mol | IMRB | Zhang and Grabowski, 1989 | gas phase; Between MeCO2H, EtCO2H (Acid = MeCH=S) |
ΔrG° | 1432. ± 16. | kJ/mol | IMRB | Guillemin, Riague, et al., 2005 | gas phase; Acid: CH3CH=S |
(CAS Reg. No. 20733-13-5 • 4294967295) + = CAS Reg. No. 20733-13-5
By formula: (CAS Reg. No. 20733-13-5 • 4294967295C2H4S) + C2H4S = CAS Reg. No. 20733-13-5
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 286. ± 13. | kJ/mol | N/A | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Source | Rosengren, 1962 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 13174 |
Instrument | Inucam Model SP 700 |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Butler and Baer, 1983
Butler, J.J.; Baer, T.,
A photo-ionization study of organosulfur ring compounds: Thiirane, thietane and tetrahydrothiophene,
Org. Mass Spectrom., 1983, 18, 248-253. [all data]
Zhang and Grabowski, 1989
Zhang, L.; Grabowski, J.J.,
The Gas-Phase Basicity and H/D Exchange Characteristics of the Parent Thiocarbonyl Enolate Anions, J. Chem. Soc. Chem. Comm. 1819, 1989. [all data]
Guillemin, Riague, et al., 2005
Guillemin, J.C.; Riague, E.H.; Gal, J.F.; Maria, P.C.; Mo, O.; Yanez, M.,
Acidity trends in alpha,beta-unsaturated sulfur, selenium, and tellurium derivatives: Comparison with C-, Si-, Ge-, Sn-, N-, P-, As-, and Sb-containing analogues,
Chem. Eur. J., 2005, 11, 7, 2145-2153, https://doi.org/10.1002/chem.200400989
. [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]
Rosengren, 1962
Rosengren, K.,
Acta Chem. Scand., 1962, 16, 2284. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, UV/Visible spectrum, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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