- Formula: C6H12
- Molecular weight: 84.1595
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: WWUVJRULCWHUSA-UHFFFAOYSA-N
- CAS Registry Number: 763-29-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: 2-Methyl-1-pentene; 4-Methyl-4-pentene; C2H5CH2C(CH3)=CH2; 2-Methylpentene; 2-Methyl-pentene-1; 2-methylpent-1-ene
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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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C6H12+ (ion structure unspecified)
|IE (evaluated)||9.08 ± 0.01||eV||N/A||N/A||L|
Ionization energy determinations
|9.04||EI||Lossing and Traeger, 1975||LLK|
|9.076 ± 0.005||PE||Masclet, Grosjean, et al., 1973||LLK|
Appearance energy determinations
|Ion||AE (eV)||Other Products||Method||Reference||Comment|
|C5H9+||9.04||CH3||EI||Lossing and Traeger, 1975, 2||LLK|
|C5H9+||10.36||CH3||EI||Lossing and Traeger, 1975||LLK|
Go To: Top, Gas phase ion energetics data, Notes
Lossing and Traeger, 1975
Lossing, F.P.; Traeger, J.C., Stabilization in cyclopentadienyl, cyclopentenyl, and cyclopentyl cations, J. Am. Chem. Soc., 1975, 97, 1579. [all data]
Masclet, Grosjean, et al., 1973
Masclet, P.; Grosjean, D.; Mouvier, G., Alkene ionization potentials. Part I. Quantitative determination of alkyl group structural effects, J. Electron Spectrosc. Relat. Phenom., 1973, 2, 225. [all data]
Lossing and Traeger, 1975, 2
Lossing, F.P.; Traeger, J.C., Free radicals by mass spectrometry XLVI. Heats of formation of C5H7 and C5H9 radicals and cations., J. Am. Chem. Soc., 1975, 19, 9. [all data]
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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