Ethane, (methylthio)-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-14.42 ± 0.27kcal/molCcrHubbard and Waddington, 1954Heat of combustion calculated author's U=-675.17

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
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 C3H8S+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.55 ± 0.01eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)202.3kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity194.9kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.46CTSAloisi, Santini, et al., 1974LLK
8.5 ± 0.1EIKeyes and Harrson, 1968RDSH
8.55 ± 0.01PIWatanabe, Nakayama, et al., 1962RDSH
10.96EIVorob'ev, Furlei, et al., 1989Vertical value; LL
8.54PEAue and Bowers, 1979Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHS+15.9 ± 0.4?EIHobrock and Kiser, 1962RDSH
CH2S+13.6 ± 0.3?EIHobrock and Kiser, 1962RDSH
CH3+17.6 ± 0.5?EIHobrock and Kiser, 1962RDSH
CH3S+14.7 ± 0.2?EIHobrock and Kiser, 1962RDSH
CH4S+10.4 ± 0.1?EIKeyes and Harrson, 1968RDSH
CH5S+10.7 ± 0.3?EIKeyes and Harrson, 1968RDSH
C2H2+17.8 ± 0.5?EIHobrock and Kiser, 1962RDSH
C2H3+16.0 ± 0.4?EIHobrock and Kiser, 1962RDSH
C2H3S+13.4 ± 0.4?EIHobrock and Kiser, 1962RDSH
C2H5+14.1 ± 0.2?EIHobrock and Kiser, 1962RDSH
C2H5S+10.74CH3EIKeyes and Harrson, 1968RDSH

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, 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

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
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-2718
NIST MS number 230497

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

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

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

Hubbard and Waddington, 1954
Hubbard, W.N.; Waddington, G., The heat of combustion, formation and isomerization of propanethiol-1, propane-thiol-2 and 2-thiabutane, Rec. Trav. Chim. Pays/Bas, 1954, 73, 910. [all data]

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]

Aloisi, Santini, et al., 1974
Aloisi, G.G.; Santini, S.; Sorriso, S., Molecular complexes of substituted diphenyl sulphides with π acceptors. Charge transfer spectra and ionization potentials of the donors, J. Chem. Soc. Faraday Trans. 1, 1974, 70, 1908. [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]

Vorob'ev, Furlei, et al., 1989
Vorob'ev, A.S.; Furlei, I.I.; Sultanov, A.S.; Khvostenko, V.I.; Leplyanin, G.V.; Derzhinskii, A.R.; Tolstikov, G.A., Mass spectrometry of reasonance capture of electrons and photoelectron spectroscopy of molecules of ethylene oxide, ethylene sulfide, and their derivatives, Bull. Acad. Sci. USSR, Div. Chem. Sci., 1989, 1388. [all data]

Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T., Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]

Hobrock and Kiser, 1962
Hobrock, B.G.; Kiser, R.W., Electron impact spectroscopy of sulfur compounds. I. 2-Thiabutane, 2-thiapentane, and 2,3-dithiabutane, J. Phys. Chem., 1962, 66, 1648. [all data]


Notes

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