Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Benzenebutanoic acid, 4-methoxy-, methyl ester


Gas phase ion energetics data

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

Ionization energy determinations

IE (eV) Method Reference
7.8 ± 0.5EIHowe and Williams, 1968

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C8H9O+11.1 ± 0.2?EIHowe, Williams, et al., 1969 
C9H10O+10.6 ± 0.2?EIHowe, Williams, et al., 1969 
C11H13O2+11.1 ± 0.5CH3OEIHowe and Williams, 1968 

References

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.

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

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