Thionyl chloride
- Formula: Cl2OS
- Molecular weight: 118.970
- IUPAC Standard InChIKey: FYSNRJHAOHDILO-UHFFFAOYSA-N
- CAS Registry Number: 7719-09-7
- 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: Sulfinyl chloride; Sulfur chloride oxide (Cl2SO); Sulfurous dichloride; Sulfurous oxychloride; Thionyl dichloride; SOCl2; Sulfur chloride oxide; UN 1836; Sulfinyl dichloride; Sulfur oxychloride; Sulfur oxychloride (SOCl2); Thionyl chloride (SOCl2)
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Phase change 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:
AC - William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
7.74 | 272. | Dykyj, Svoboda, et al., 1999 | Based on data from 257. to 372. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
220.3 to 348.6 | 4.33823 | 1399.91 | -26.202 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.07 | PE | Bock and Solouki, 1974 | Vertical value |
11.3 | PE | Chadwick, Frost, et al., 1973 | Vertical value |
11.12 | PE | Mines, Thomas, et al., 1972 | Vertical value |
11.3 | PE | Chadwick, Cornford, et al., 1972 | Vertical value |
11.13 | PE | Bock and Solouki, 1972 | Vertical value |
Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
+
= Cl3OS-
By formula: Cl- + Cl2OS = Cl3OS-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.4 ± 1.8 | kcal/mol | CIDT | Bachrach, Hayes, et al., 2001 | gas phase |
References
Go To: Top, Phase change data, 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.
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Bock and Solouki, 1974
Bock, H.; Solouki, B.,
Photoelektronenspektren und molekuleigenschaften, XXXV. Sulfoxide X2SO - beispiele fur den nutzen von korrelations - diagrammen bei der diskussion von substituenteneffekten und von geometrischen storungen,
Chem. Ber., 1974, 107, 2299. [all data]
Chadwick, Frost, et al., 1973
Chadwick, D.; Frost, D.C.; Herring, F.G.; Katrib, A.; McDowell, C.A.; McLean, R.A.N.,
Photoelectron spectra of sulfuryl and thionyl halides,
Can. J. Chem., 1973, 51, 1893. [all data]
Mines, Thomas, et al., 1972
Mines, G.W.; Thomas, R.K.; Thompson, H.,
Photoelectron spectra of compounds containing thionyl and sulphuryl groups,
Proc. R. Soc. London A:, 1972, 329, 275. [all data]
Chadwick, Cornford, et al., 1972
Chadwick, D.; Cornford, A.B.; Frost, D.C.; Herring, F.G.; Katrib, A.; McDowell, C.A.; McLean, R.A.N.,
Photoelectron spectra of some dihalocompounds
in Electron spectroscopy, ed. D.A. Shirley (North-Holland Publixhing Co, Amsterdam), 1972, 453. [all data]
Bock and Solouki, 1972
Bock, H.; Solouki, B.,
The sulfoxide bond,
Angew. Chem. Int. Ed. Engl., 1972, 11, 436. [all data]
Bachrach, Hayes, et al., 2001
Bachrach, S.M.; Hayes, J.M.; Check, C.E.; Sunderlin, L.S.,
Potential energy surface of SOCl3-,
J. Phys. Chem. A, 2001, 105, 41, 9595-9597, https://doi.org/10.1021/jp012412f
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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