Propyne, 1-bromo-
- Formula: C3H3Br
- Molecular weight: 118.960
- CAS Registry Number: 2003-82-9
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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:
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 |
|---|---|---|---|
| 9.6 | EI | Holmes and Lossing, 1979 | LLK |
| 9.62 ± 0.02 | PE | Bieri, Heilbronner, et al., 1979 | LLK |
| 10.1 ± 0.1 | EI | Coats and Anderson, 1957 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| Br+ | 16.0 ± 0.5 | ? | EI | Coats and Anderson, 1957 | RDSH |
| C3H3+ | 10.90 | Br | EI | Holmes and Lossing, 1979 | LLK |
| C3H3+ | 11.1 ± 0.2 | Br | EI | Coats and Anderson, 1957 | RDSH |
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.
Holmes and Lossing, 1979
Holmes, J.L.; Lossing, F.P.,
The reactivity of [C3H3+] ions; a thermochemical study,
Can. J. Chem., 1979, 57, 249. [all data]
Bieri, Heilbronner, et al., 1979
Bieri, G.; Heilbronner, E.; Hornung, V.; Kloster-Jensen, E.; Maier, J.P.; Thommen, F.; von Niessen, W.,
Electronic states of substituted haloacetylene and cyanoacetylene radical cations,
Chem. Phys., 1979, 36, 1. [all data]
Coats and Anderson, 1957
Coats, F.H.; Anderson, R.C.,
Thermodynamic data from electron-impact measurements on acetylene and substituted acetylenes,
J. Am. Chem. Soc., 1957, 79, 1340. [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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