Germanium dibromide
- Formula: Br2Ge
- Molecular weight: 232.45
- CAS Registry Number: 24415-00-7
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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
B - John E. Bartmess
View reactions leading to Br2Ge+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| >1.60001 | EIAE | Pabst, Margrave, et al., 1977 | From GeBr4; G2MP2 calculations agree closely with this.; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.60 ± 0.05 | PE | Jonkers, Van Der Kerk, et al., 1982 | LBLHLM |
| 9.5 ± 0.3 | EI | Uy, Muenow, et al., 1969 | RDSH |
| 10.02 ± 0.03 | PE | Jonkers, Van Der Kerk, et al., 1982 | Vertical value; LBLHLM |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| Br+ | 17.5 ± 0.5 | ? | EI | Uy, Muenow, et al., 1969 | RDSH |
| GeBr+ | 11.0 ± 0.3 | Br | EI | Uy, Muenow, et al., 1969 | RDSH |
| Ge+ | 15.5 ± 0.5 | ? | EI | Uy, Muenow, et al., 1969 | 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.
Pabst, Margrave, et al., 1977
Pabst, R.E.; Margrave, J.L.; Franklin, J.L.,
Electron impact studies of the tetrachlorides and tetrabromides of silicon and germanium,
Int. J. Mass Spectrom. Ion Phys., 1977, 25, 361. [all data]
Jonkers, Van Der Kerk, et al., 1982
Jonkers, G.; Van Der Kerk, S.M.; De Lange, C.A.,
He(I) photoelectron spectroscopy of transient species: Germanium dichloride and germanium dibromide,
Chem. Phys., 1982, 70, 69. [all data]
Uy, Muenow, et al., 1969
Uy, O.M.; Muenow, D.W.; Margrave, J.L.,
Mass spectrometric studies at high temperatures. Part 35. Stabilities of gaseous GeCl2 and GeBr2,
J. Chem. Soc. Faraday Trans., 1969, 65, 1296. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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