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Thiophene, tetrahydro-

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

Data compiled as indicated in comments:
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 C4H8S+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.38eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)849.1kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity819.3kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.38PIPECOButler and Baer, 1983LBLHLM
8.62 ± 0.05EIDistefano, Foffani, et al., 1971LLK
8.62EIDistefano, Foffani, et al., 1971, 2LLK
8.57 ± 0.15EIGallegos and Kiser, 1962RDSH
8.40PESchmidt and Schweig, 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHS+11.0 ± 0.1C3H7PIButler and Baer, 1982T = 298K; LBLHLM
CHS+11.1 ± 0.1C3H7PIButler and Baer, 1982T = 0K; LBLHLM
CHS+13.8 ± 0.2?EIGallegos and Kiser, 1962RDSH
CH2S+10.5C3H6PIPECOButler and Baer, 1983LBLHLM
CH2S+13.0 ± 0.2?EIGallegos and Kiser, 1962RDSH
CH3S+11.1C3H5PIPECOButler and Baer, 1983LBLHLM
CH3S+14.0 ± 0.2?EIGallegos and Kiser, 1962RDSH
C2H2S+17.0 ± 0.3?EIGallegos and Kiser, 1962RDSH
C2H3+18.0 ± 0.4?EIGallegos and Kiser, 1962RDSH
C2H3S+10.36C2H5PIPECOButler and Baer, 1983LBLHLM
C2H3S+15.7 ± 0.4?EIGallegos and Kiser, 1962RDSH
C2H4S+11.7 ± 0.3?EIGallegos and Kiser, 1962RDSH
C3H3+17.2 ± 0.2?EIGallegos and Kiser, 1962RDSH
C3H5+15.5 ± 0.2?EIGallegos and Kiser, 1962RDSH
C4H6+11.9 ± 0.2?EIGallegos and Kiser, 1962RDSH
C4H7+12.4 ± 0.2SHEIGallegos and Kiser, 1962RDSH
C4H7S+10.1HPIPECOButler and Baer, 1983LBLHLM
C4H7S+12.4 ± 0.3HEIGallegos and Kiser, 1962RDSH
C4H8S+10.21C2H4PIPECOButler and Baer, 1983LBLHLM


Go To: Top, 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.

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]

Butler and Baer, 1983
Butler, J.J.; Baer, T., A photoionization study of organosulfur ring compounds: Thiirane, thietane and tetrahydrothiophene, Org. Mass Spectrom., 1983, 18, 248. [all data]

Distefano, Foffani, et al., 1971
Distefano, G.; Foffani, A.; Innorta, G.; Pignataro, S., Mass spectrometric study of transition metal complexes with ligands having nitrogen or sulphur as donor atom, Adv. Mass Spectrom., 1971, 5, 696. [all data]

Distefano, Foffani, et al., 1971, 2
Distefano, G.; Foffani, A.; Innorta, G.; Pignataro, S., Electron impact ionization potentials of some manganese, chromium and tungsten organometallic derivatives, Int. J. Mass Spectrom. Ion Phys., 1971, 7, 383. [all data]

Gallegos and Kiser, 1962
Gallegos, E.J.; Kiser, R.W., Electron impact spectroscopy of the four- and five-membered, saturated heterocyclic compounds containing nitrogen, oxygen and sulfur, J. Phys. Chem., 1962, 66, 136. [all data]

Schmidt and Schweig, 1973
Schmidt, H.; Schweig, A., Ausschluss transanularer Wechselwirkung in 2.5-Dihydrothiophen, Tetrahedron Lett., 1973, 1437. [all data]

Butler and Baer, 1982
Butler, J.J.; Baer, T., Photoionization study of the heat of formation of HCS+, J. Am. Chem. Soc., 1982, 104, 5016. [all data]


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