Diethyl disulfide
- Formula: C4H10S2
- Molecular weight: 122.252
- IUPAC Standard InChIKey: CETBSQOFQKLHHZ-UHFFFAOYSA-N
- CAS Registry Number: 110-81-6
- 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: Disulfide, diethyl; Ethyl disulfide; Ethyldithioethane; 3,4-Dithiahexane; Diethyl disulphide; (C2H5S)2; Diethyldisulfid; Ethyl disulphide; NSC 8839; 1-(Ethyldisulfanyl)ethane
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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 | -74.6 ± 3.5 | kJ/mol | Ccb | Voronkov, Klyuchnikov, et al., 1989 | |
ΔfH°gas | -74.7 ± 1.0 | kJ/mol | Ccb | Hubbard, Douslin, et al., 1958 | Reanalyzed by Cox and Pilcher, 1970, Original value = -72.9 ± 1.0 kJ/mol |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
By formula: C4H10S2 + C2H6S2 = 2C3H8S2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.0 ± 0.63 | kJ/mol | Eqk | Haraldson, Olander, et al., 1960 | liquid phase; solvent: Nonpolar solvent |
By formula: C8H18S2 + C4H10S2 = 2C6H14S2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.0 ± 0.2 | kJ/mol | Eqk | Haraldson, Olander, et al., 1960 | liquid phase; solvent: Nonpolar solvent |
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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.9 | LPES | Carles, Lecomte, et al., 2001 | EA is Vertical Detachment Energy. Adiabtic EA estimated as bound, but only by ca 0.1 eV; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.30 ± 0.15 | EI | Hobrock and Kiser, 1963 | RDSH |
8.27 ± 0.03 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
8.77 | PE | Guimon, Guimon, et al., 1975 | Vertical value; LLK |
8.70 | PE | Wagner and Bock, 1974 | Vertical value; LLK |
8.85 | PE | Baker, Brisk, et al., 1974 | Vertical value; LLK |
8.70 | PE | Bock, Wagner, et al., 1972 | Vertical value; LLK |
Appearance energy determinations
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Voronkov, Klyuchnikov, et al., 1989
Voronkov, M.G.; Klyuchnikov, V.A.; Kolabin, S.N.; Shvets, G.N.; Varusin, P.I.; Deryagina, E.N.; Korchevin, N.A.; Tsvetnitskaya, S.I.,
Thermochemical properties of diorganyl chalcogenides and dichalcogenides RMnR(M = S, Se, Te; n = 1, 2).,
Dokl. Phys. Chem. (Engl. Transl.), 1989, 307, 650-653, In original 1139. [all data]
Hubbard, Douslin, et al., 1958
Hubbard, W.N.; Douslin, D.R.; McCullough, J.P.; Scott, D.W.; Todd, S.S.; Messerly, J.F.; Hossenlopp, I.A.; George, A.; Waddington, G.,
2,3-dithiabutane, 3,4-dithiahexane and 4,5-dithiaoctane: Chemical thermodynamic properties from 0 to 1000°K,
J. Am. Chem. Soc., 1958, 80, 3547-3554. [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]
Haraldson, Olander, et al., 1960
Haraldson, L.; Olander, C.J.; Sunner, S.; Varde, K.,
Equilibrium studies on the disproportionation reaction between some dialkyl disulfides,
Acta Chem. Scand., 1960, 14, 1509-1514. [all data]
Carles, Lecomte, et al., 2001
Carles, S.; Lecomte, F.; Schermann, J.P.; Desfrancois, C.; Xu, S.; Nilles, J.M.; Bowen, K.H.; Berges, J.; Houe,
Nondissociative electron capture by disulfide bonds,
J. Phys. Chem. A, 2001, 105, 23, 5622-5626, https://doi.org/10.1021/jp0040603
. [all data]
Hobrock and Kiser, 1963
Hobrock, B.G.; Kiser, R.W.,
Electron impact investigations of sulfur compounds. II. 3-Methyl-2-thiabutane, 4-thia-1-pentene, and 3,4-dithiahexane,
J. Phys. Chem., 1963, 67, 648. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Guimon, Guimon, et al., 1975
Guimon, M.-F.; Guimon, C.; Pfister-Guillouzo, G.,
Application of photoelectron spectroscopy to conformational analysis of 1,2,4-trithiolanes,
Tetrahedron Lett., 1975, 7, 441. [all data]
Wagner and Bock, 1974
Wagner, G.; Bock, H.,
Photoelektronenspektren und molekuleigenschaften, XXVI. Die delokalisation von schwefel-elektronenpaaren in alkylsulfiden und -disulfiden,
Chem. Ber., 1974, 107, 68. [all data]
Baker, Brisk, et al., 1974
Baker, A.D.; Brisk, M.; Gellender, M.,
Photoelectron spectra and dihedral angles of disulfides,
J. Electron Spectrosc. Relat. Phenom., 1974, 3, 227. [all data]
Bock, Wagner, et al., 1972
Bock, H.; Wagner, G.; Kroner, J.,
Photoelektronenspektren und molekuleigenschaften, XIV. Die delokalisation des schwefel-elektronenpaar in CH3S-substituierten aromaten,
Chem. Ber., 1972, 105, 3850. [all data]
Gal'perin, Bogolyubov, et al., 1969
Gal'perin, Ya.V.; Bogolyubov, G.M.; Grishin, N.N.; Petrov, A.A.,
Organic derivatives of elements of groups V and VI. VI. Mass spectra of compounds with S-S bonds,
Zh. Obshch. Khim., 1969, 39, 1599, In original 1567. [all data]
Gowenlock, Kay, et al., 1963
Gowenlock, B.G.; Kay, J.; Majer, J.R.,
Electron impact studies of some sulphides and disulphides,
J. Chem. Soc. Faraday Trans., 1963, 59, 2463. [all data]
Keyes and Harrson, 1968
Keyes, B.G.; Harrson, A.G.,
The fragmentation of aliphatic sulfur compounds by electron impact,
J. Am. Chem. Soc., 1968, 90, 5671. [all data]
Kiser and Hobrock, 1962
Kiser, R.W.; Hobrock, B.G.,
The ionization potential of hydrogen disulfide (H2S2),
J. Phys. Chem., 1962, 66, 1214. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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