1-Methyl ethoxy radical
- Formula: C3H7O
- Molecular weight: 59.0871
- IUPAC Standard InChI: InChI=1S/C3H7O/c1-3(2)4/h3H,1-2H3
- IUPAC Standard InChIKey: ZOAMZFNAPHWBEN-UHFFFAOYSA-N
- CAS Registry Number: 3958-66-5
- Chemical structure:
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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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to C3H7O+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.8740 ± 0.0040 | LPES | Ramond, Davico, et al., 2000 | B |
| 1.839 ± 0.029 | LPES | Ellison, Engleking, et al., 1982 | B |
| 1.86 ± 0.10 | D-EA | Bartmess, Scott, et al., 1979 | value altered from reference due to change in acidity scale; B |
| 1.73 ± 0.10 | EIAE | Williams and Hamill, 1968 | From iPrONO; B |
| >1.7 | EIAE | Trepka and Neuert, 1963 | From iPrOH; B |
| 0.672144 | SI | Page and Goode, 1969 | The Magnetron method, lacking mass analysis, is not considered reliable.; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.20 ± 0.05 | EI | Williams and Hamill, 1968 | RDSH |
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.
Ramond, Davico, et al., 2000
Ramond, T.M.; Davico, G.E.; Schwartz, R.L.; Lineberger, W.C.,
Vibronic structure of alkoxy radicals via photoelectron spectroscopy,
J. Chem. Phys., 2000, 112, 3, 1158-1169, https://doi.org/10.1063/1.480767
. [all data]
Ellison, Engleking, et al., 1982
Ellison, G.B.; Engleking, P.C.; Lineberger, W.C.,
Photoelectron spectroscopy of alkoxide and enolate negative ions,
J. Phys. Chem., 1982, 86, 4873. [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]
Williams and Hamill, 1968
Williams, J.M.; Hamill, W.H.,
Ionization potentials of molecules and free radicals and appearance potentials by electron impact in the mass spectrometer,
J. Chem. Phys., 1968, 49, 4467. [all data]
Trepka and Neuert, 1963
Trepka, L.v.; Neuert, H.,
Uber die Entstehenung von Negativen Ionen aus einigen Kohlenwasserstoffen und Alkoholen durch Elektronenstoss,
Z. Naturfor., 1963, 18A, 1295. [all data]
Page and Goode, 1969
Page, F.M.; Goode, G.C.,
Negative Ions and the Magnetron., Wiley, NY, 1969. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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