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Acetaldoxime

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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 compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
10.0PEDargelos and Sandorfy, 1977LLK
10.7 ± 0.2EIEastmond and Pratt, 1970RDSH
10.20PEDargelos and Sandorfy, 1977Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH2NO+13.0 ± 0.2CH3EIEastmond and Pratt, 1970RDSH
C2H3N+12.9 ± 0.2H2OEIEastmond and Pratt, 1970RDSH
C2H4+12.9 ± 0.2?EIEastmond and Pratt, 1970RDSH
C2H4N+11.3 ± 0.2OHEIEastmond and Pratt, 1970RDSH
C2H4NO+10.2 ± 0.2HEIEastmond and Pratt, 1970RDSH

De-protonation reactions

C2H4NO- + Hydrogen cation = Acetaldoxime

By formula: C2H4NO- + H+ = C2H5NO

Quantity Value Units Method Reference Comment
Deltar1529. ± 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
Deltar1500. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

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.

Dargelos and Sandorfy, 1977
Dargelos, A.; Sandorfy, C., The photoelectron and far-ultraviolet absorption spectra of simple oximes, J. Chem. Phys., 1977, 67, 3011. [all data]

Eastmond and Pratt, 1970
Eastmond, G.B.M.; Pratt, G.L., Pyrolyses in the presence of nitric oxide. Part III.Acetaldehyde oxime and nitrosoethane, J. Chem. Soc. A, 1970, 2337. [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]


Notes

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