Ethanethiol

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Gas phase ion energetics data

Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C2H6S+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.31 ± 0.03eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)789.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity758.4kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.28PITraeger, 1984LBLHLM
9.3PEOhno, Imai, et al., 1983LBLHLM
9.36PEKimura, Katsumata, et al., 1981LLK
8.69PEWeiner and Lattman, 1978LLK
9.29PEOgata, Onizuka, et al., 1973LLK
9.3 ± 0.1EIKeyes and Harrson, 1968RDSH
9.285 ± 0.005PIWatanabe, Nakayama, et al., 1962RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHS+17.7 ± 0.3?EIGal'perin, Bogolyubov, et al., 1969RDSH
CH2S+11.2 ± 0.3?EIGal'perin, Bogolyubov, et al., 1969RDSH
CH3S+11.4 ± 0.1CH3EIKeyes and Harrson, 1968RDSH
CS+11.7 ± 0.3CH4+H2EIGal'perin, Bogolyubov, et al., 1969RDSH
C2H2+14.7 ± 0.3?EIGal'perin, Bogolyubov, et al., 1969RDSH
C2H3+15.8 ± 0.3?EIGal'perin, Bogolyubov, et al., 1969RDSH
C2H3S+18.3 ± 0.3?EIGal'perin, Bogolyubov, et al., 1969RDSH
C2H4+13.0 ± 0.3?EIGal'perin, Bogolyubov, et al., 1969RDSH
C2H4S+14.0 ± 0.3?EIGal'perin, Bogolyubov, et al., 1969RDSH
C2H5+11.26SHPITraeger, 1984LBLHLM
C2H5+12.1 ± 0.3?EIGal'perin, Bogolyubov, et al., 1969RDSH
C2H5S+11.5HEIAmos, Gillis, et al., 1969RDSH
H2S+11.8 ± 0.3C2H4EIGal'perin, Bogolyubov, et al., 1969RDSH
H3S+12.41?EIHaney and Franklin, 1969RDSH
S+14.2 ± 0.3?EIGal'perin, Bogolyubov, et al., 1969RDSH

De-protonation reactions

C2H5S- + Hydrogen cation = Ethanethiol

By formula: C2H5S- + H+ = C2H6S

Quantity Value Units Method Reference Comment
Δr1488. ± 8.8kJ/molD-EAJanousek, Reed, et al., 1980gas phase; B
Δr1486. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1460. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-3851
NIST MS number 231057

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Gas Chromatography

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryDB-5100.512.6Miller and Bruno, 200330. m/0.25 mm/0.1 μm
CapillaryDB-5120.528.5Miller and Bruno, 200330. m/0.25 mm/0.1 μm
CapillaryDB-560.517.4Miller and Bruno, 200330. m/0.25 mm/0.1 μm
CapillaryDB-580.514.2Miller and Bruno, 200330. m/0.25 mm/0.1 μm
PackedApiezon M130.517.Garbuzov, Misharina, et al., 1985He or N2, Chromosorb W, AW-DMCS; Column length: 2.1 m
PackedSqualane60.482.Zygmunt and Staszewski, 1981Chromosorb W DMCS; Column length: 2. m
PackedSqualane80.484.Zygmunt and Staszewski, 1981Chromosorb W DMCS; Column length: 2. m
PackedDC-20060.505.Golovnya and Arsen'ev, 1970Column length: 1.5 m
PackedSE-3060.500.Golovnya and Arsen'ev, 1970Column length: 1.5 m

Kovats' RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryApiezon M517.Zhu, Wang, et al., 2007Program: not specified

Kovats' RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryPEG-20M753.Zhu, Wang, et al., 2007Program: not specified

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPolydimethyl siloxane with 5 % Ph groups100.513.Safa and Hadjmohannadi, 200530. m/0.25 mm/0.10 μm, Nitrogen
CapillaryPolydimethyl siloxane with 5 % Ph groups60.517.Safa and Hadjmohannadi, 200530. m/0.25 mm/0.10 μm, Nitrogen
CapillaryPolydimethyl siloxane with 5 % Ph groups80.514.Safa and Hadjmohannadi, 200530. m/0.25 mm/0.10 μm, Nitrogen
PackedApiezon L100.520.Kavan, 1973Column length: 3.2 m

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryOV-101502.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C
CapillaryPONA482.Yang, Wang, et al., 200450. m/0.20 mm/0.50 μm, N2, 2. K/min; Tstart: 35. C; Tend: 170. C
CapillaryPONA496.Yang, Wang, et al., 200350. m/0.20 mm/0.50 μm, 2. K/min; Tstart: 30. C; Tend: 150. C
CapillaryOV-101500.Tamura, Nakamoto, et al., 1995N2, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 80. C; Tend: 200. C
CapillaryOV-101501.Tamura, Nakamoto, et al., 1995N2, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 80. C; Tend: 200. C
CapillaryOV-101500.Sugisawa, Nakamura, et al., 1990Nitrogen, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 200. C
CapillaryOV-101500.Sugisawa, Nakamura, et al., 1990Nitrogen, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 80. C; Tend: 200. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryPONA496.Yang, Wang, et al., 200350. m/0.20 mm/0.50 μm; Program: not specified
CapillaryPolydimethyl siloxanes502.Zenkevich, 1998Program: not specified
CapillaryPolydimethyl siloxanes502.Zenkevich and Chupalov, 1996Program: not specified
CapillarySPB-1490.Nedjma and Maujean, 199530. m/0.32 mm/4. μm, H2; Program: 35(1)-10 -> 55-25 ->250

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax731.Umano, Hagi, et al., 1995He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 200. C

References

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Traeger, 1984
Traeger, J.C., Heat of formation for the SH radical by photoionization mass spectrometry, Org. Mass Spectrom., 1984, 19, 514. [all data]

Ohno, Imai, et al., 1983
Ohno, K.; Imai, K.; Matsumoto, S.; Harada, Y., Penning ionization electron spectroscopy of C2H5X (X = NH2, OH, H, Cl, I) relative reactivity of orbital localizing on functional groups upon electrophilic attack by metastable helium atoms, J. Phys. Chem., 1983, 87, 4346. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Weiner and Lattman, 1978
Weiner, M.A.; Lattman, M., Ultraviolet photoelectron spectra of some Cr(CO)5L complexes containing organosulfide and organophosphine ligands, Inorg. Chem., 1978, 17, 1084. [all data]

Ogata, Onizuka, et al., 1973
Ogata, H.; Onizuka, H.; Nihei, Y.; Kamada, H., The photoelectron spectra of alcohols, mercaptans and amines, Bull. Chem. Soc. Jpn., 1973, 46, 3036. [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]

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]

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]

Amos, Gillis, et al., 1969
Amos, D.; Gillis, R.G.; Occolowitz, J.L.; Pisani, J.F., The ions [CH3S]+, [C2H5S]+ and [CH3O]+ formed by electron-impact, Org. Mass Spectrom., 1969, 2, 209. [all data]

Haney and Franklin, 1969
Haney, M.A.; Franklin, J.L., Heats of formation of H3O+, H3S+, and NH4+ by electron impact, J. Chem. Phys., 1969, 50, 2028. [all data]

Janousek, Reed, et al., 1980
Janousek, B.K.; Reed, K.J.; Brauman, J.I., Electron photodetachment from mercaptyl anions (RS- electron affinities of mercaptyl radicals and the S-H bond strength in mercaptans), J. Am. Chem. Soc., 1980, 102, 3125. [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]

Miller and Bruno, 2003
Miller, K.E.; Bruno, T.J., Isothermal Kováts retention indices of sulfur compounds on a poly(5% diphenyl-95% dimethylsiloxane) stationary phase, J. Chromatogr. A, 2003, 1007, 1-2, 117-125, https://doi.org/10.1016/S0021-9673(03)00958-0 . [all data]

Garbuzov, Misharina, et al., 1985
Garbuzov, V.G.; Misharina, T.A.; Aerov, A.F.; Golovnya, R.V., Gas chromatographic retention indices for sulphur(II)-containing organic substances, J. Anal. Chem. USSR (Engl. Transl.), 1985, 40, 4, 576-586. [all data]

Zygmunt and Staszewski, 1981
Zygmunt, B.; Staszewski, R., Retention index and gas chromatographic-mass spectrometric identification of thiols in liquified gas, Chem. Anal. (Warsaw), 1981, 26, 109-113. [all data]

Golovnya and Arsen'ev, 1970
Golovnya, R.V.; Arsen'ev, Y.N., Gas-chromatographic method for the analysis of n-mercaptans and symmetrical n-sulfides and n-disulfides, Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.), 1970, 6, 4, 1316-1318, https://doi.org/10.1007/BF00852683 . [all data]

Zhu, Wang, et al., 2007
Zhu, X.H.; Wang, W.; Schramm, K.-W.; Niu, W., Prediction of the Kova´ ts Retention Indices of Thiols by Use of Quantum Chemical and Physicochemical Descriptors, Chromatographia, 2007, 65, 11-12, 719-724, https://doi.org/10.1365/s10337-007-0237-3 . [all data]

Safa and Hadjmohannadi, 2005
Safa, F.; Hadjmohannadi, M.R., Use of topological indices of organic sulfur compounds in quantitative structure-retention relationship study, QSAR Comb. Sci., 2005, 24, 9, 1026-1032, https://doi.org/10.1002/qsar.200530008 . [all data]

Kavan, 1973
Kavan, I., Analysis of odorants, Sbornik Praci UVP, 1973, 26, 128-144. [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Yang, Wang, et al., 2004
Yang, Y.; Wang, Z.; Zong, B.; Yang, H., Determination of sulfur compounds in fluid catalytic cracking gasoline by gas chromatography with a sulfur chemiluminiscence detector, Chin. J. Chromatogr., 2004, 22, 3, 216-219. [all data]

Yang, Wang, et al., 2003
Yang, Y.-T.; Wang, Z.; Han. J.-H.; Tian, H.-P.; Yang, H.-Y., Determination of sulfur compounds in gasoline fraction of microreactor products by gas chromatography - Atomic emission detector, Petrochemical Technology (Shiyou Huagong), 2003, 32, 11, 995-998. [all data]

Tamura, Nakamoto, et al., 1995
Tamura, H.; Nakamoto, H.; Yang, R.-H.; Sugisawa, H., Characteristic aroma compounds in green algae (Ulva pertusa) volatiles, Nippon Shokuhin Kagaku Kogaku Kaishi, 1995, 42, 11, 887-891, https://doi.org/10.3136/nskkk.42.887 . [all data]

Sugisawa, Nakamura, et al., 1990
Sugisawa, H.; Nakamura, K.; Tamura, H., The aroma profile of the volatile in marine green algae (Ulva pertusa), Food Reviews International, 1990, 6, 4, 573-589, https://doi.org/10.1080/87559129009540893 . [all data]

Zenkevich, 1998
Zenkevich, I.G., The Principle of Structural Analogy in the Calculation of Gas Chromatographic Retention Indices using Physico-Chemical Constants of Organic Compounds, Zh. Anal. Khim. (Rus.), 1998, 53, 1, 43-49. [all data]

Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A., New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments, Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]

Nedjma and Maujean, 1995
Nedjma, M.; Maujean, A., Improved chromatographic analysis of volatile sulfur compounds by the static headspace technique on water-alcohol solutions and brandies with chemiluminescence detection, J. Chromatogr. A, 1995, 704, 2, 495-502, https://doi.org/10.1016/0021-9673(95)00218-C . [all data]

Umano, Hagi, et al., 1995
Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T., Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system, J. Agric. Food Chem., 1995, 43, 8, 2212-2218, https://doi.org/10.1021/jf00056a046 . [all data]


Notes

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References