Acetylene, bromo-
- Formula: C2HBr
- Molecular weight: 104.933
- IUPAC Standard InChIKey: RUEKPBLTWGFBOD-UHFFFAOYSA-N
- CAS Registry Number: 593-61-3
- Chemical structure:
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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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.31 ± 0.02 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.31 ± 0.02 | PE | Allan, Kloster-Jensen, et al., 1977 | LLK |
10.762 ± 0.004 | S | Evans, Scheps, et al., 1973 | LLK |
10.3 ± 0.1 | EI | Kloster-Jensen, Pascual, et al., 1970 | RDSH |
10.24 | PE | Haink, Heilbronner, et al., 1970 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
Br+ | 15.90 | C2H | PI | Eland, 1979 | Unpublished result of S.I.Miller and J.Berkowitz; LLK |
CBr+ | 18.1 ± 0.1 | CH | EI | Kloster-Jensen, Pascual, et al., 1970 | RDSH |
CH+ | 20.3 ± 0.2 | CBr | EI | Kloster-Jensen, Pascual, et al., 1970 | RDSH |
C2H+ | 15.56 | Br | PI | Eland, 1979 | Unpublished result of S.I.Miller and J.Berkowitz; LLK |
C2H+ | 15.4 ± 0.1 | Br | PE | Allan, Kloster-Jensen, et al., 1977 | Unpublished result of H. Baumgartel, E. Kloster-Jensen, W. Lohr, J.P. Maier, H. Oertel, and H. Schenk; LLK |
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.
Allan, Kloster-Jensen, et al., 1977
Allan, M.; Kloster-Jensen, E.; Maier, J.P.,
Emission spectra of Cl-C≡C-H+, Br-C≡C-H+ and I-C≡C-H+ radical cations: A2Π → X.2Π band systems and the decay of the A2Π states,
J. Chem. Soc. Faraday Trans. 2, 1977, 73, 1406. [all data]
Evans, Scheps, et al., 1973
Evans, K.; Scheps, R.; Rice, S.A.; Heller, D.,
Primary photochemical and photophysical processes in chloro- and bromo-acetylene,
J. Chem. Soc. Faraday Trans. 2, 1973, 69, 856. [all data]
Kloster-Jensen, Pascual, et al., 1970
Kloster-Jensen, E.; Pascual, C.; Vogt, J.,
Mass spectrometric studies of mono- and di-haloacetylenes,,
Helv. Chim. Acta, 1970, 53, 2109. [all data]
Haink, Heilbronner, et al., 1970
Haink, H.J.; Heilbronner, E.; Hornung, V.; KlosterJensen, E.,
Die Photoelektron-Spektren der Monohalogenacetylene,
Helv. Chim. Acta, 1970, 53, 1073. [all data]
Eland, 1979
Eland, J.H.D.,
Dissociations of state-selected C2H2+, H2S+ and D2S+ ions studied by photoelectron-photoion coincidence spectroscopy,
Int. J. Mass Spectrom. Ion Phys., 1979, 31, 161. [all data]
Notes
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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