2-Thiophenebutanoic acid, methyl ester


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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference
8.4 ± 0.3EIHowe and Williams, 1968

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H5S+13.3 ± 0.2?EIHowe, Williams, et al., 1969 
C6H6S+10.7 ± 0.2?EIHowe, Williams, et al., 1969 
C8H9OS+11.1 ± 0.3CH3OEIHowe and Williams, 1968 

References

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

Howe and Williams, 1968
Howe, I.; Williams, D.H., Studies in mass spectrometry. XXX. Substituent effects in mass spectrometry. Comparison of charge localization and quasi-equilibrium theories, J. Am. Chem. Soc., 1968, 90, 5461. [all data]

Howe, Williams, et al., 1969
Howe, I.; Williams, D.H.; Kingston, D.G.I.; Tannenbaum, H.P., Substituent effects in the mass spectra of some - and -substituted methyl butyrates, J. Chem. Soc. B, 1969, 439. [all data]


Notes

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