1-Butyl radical
- Formula: C4H9
- Molecular weight: 57.1143
- IUPAC Standard InChIKey: WPWHSFAFEBZWBB-UHFFFAOYSA-N
- CAS Registry Number: 2492-36-6
- 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C4H9+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.02 ± 0.04 | PE | Schultz, Houle, et al., 1984 | LBLHLM |
8.01 ± 0.05 | EI | Lossing and Semeluk, 1970 | RDSH |
8.01 ± 0.05 | EI | Melton and Joy, 1967 | RDSH |
8.50 ± 0.04 | PE | Schultz, Houle, et al., 1984 | Vertical value; LBLHLM |
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.
Schultz, Houle, et al., 1984
Schultz, J.C.; Houle, F.A.; Beauchamp, J.L.,
Photoelectron spectroscopy of 1-propyl, 1-butyl, isobutyl, neopentyl and 2-butyl radicals: Free radical precursors to high energy carbonium ion isomers,
J. Am. Chem. Soc., 1984, 106, 3917. [all data]
Lossing and Semeluk, 1970
Lossing, F.P.; Semeluk, G.P.,
Free radicals by mass spectrometry. XLII.Ionization potentials and ionic heats of formation for C1-C4 alkyl radicals,
Can. J. Chem., 1970, 48, 955. [all data]
Melton and Joy, 1967
Melton, C.E.; Joy, H.W.,
Mass-spectrometric and theoretical evidence for NH4 and H3O,
J. Chem. Phys., 1967, 46, 4275. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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