sulphuryl dichloride
- Formula: Cl2O2S
- Molecular weight: 134.970
- IUPAC Standard InChI: InChI=1S/Cl2O2S/c1-5(2,3)4
- IUPAC Standard InChIKey: YBBRCQOCSYXUOC-UHFFFAOYSA-N
- CAS Registry Number: 7791-25-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Sulfuryl chloride
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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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
+
= (
•
)
By formula: CH3+ + Cl2O2S = (CH3+ • Cl2O2S)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 260. | kJ/mol | PHPMS | McMahon, Heinis, et al., 1988 | gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 202. kJ/mol; Foster, Williamson, et al., 1974; M |
+ 2
= 4
+
By formula: C8H20N2O2S + 2C4H12ClN = 4C4H11N + Cl2O2S
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 543.9 ± 7.1 | kJ/mol | Cm | Claydon and Mortimer, 1962 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 543.1 ± 7.1 kJ/mol; ALS |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
McMahon, Heinis, et al., 1988
McMahon, T.; Heinis, T.; Nicol, G.; Hovey, J.K.; Kebarle, P.,
Methyl Cation Affinities,
J. Am. Chem. Soc., 1988, 110, 23, 7591, https://doi.org/10.1021/ja00231a002
. [all data]
Foster, Williamson, et al., 1974
Foster, M.S.; Williamson, A.D.; Beauchamp, J.L.,
Photoionization mass spectrometry of trans-azomethane,
Int. J. Mass Spectrom. Ion Phys., 1974, 15, 429. [all data]
Claydon and Mortimer, 1962
Claydon, A.P.; Mortimer, C.T.,
Heats of formation and bond energies. Part VIII. Diethylaminotrimethylsilane, NN'-dithiodiethylamine, NN'-thionylbisdiethylamine, and NN'-sulphurylbisdiethylamine,
J. Chem. Soc., 1962, 3212-3216. [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]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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