methyl 4-bromobutyrate
- Formula: C5H9BrO2
- Molecular weight: 181.028
- CAS Registry Number: 4897-84-1
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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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 9.9 ± 0.3 | EI | Howe and Williams, 1968 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C4H6OBr+ | 11.2 ± 0.3 | CH3 | EI | Howe and Williams, 1968 |
References
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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]
Notes
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- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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