Cesium dimer
- Formula: Cs2
- Molecular weight: 265.8109038
- IUPAC Standard InChI: InChI=1S/2Cs
- IUPAC Standard InChIKey: KNJJHXOVFHKJEY-UHFFFAOYSA-N
- CAS Registry Number: 12184-83-7
- Chemical structure:
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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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to Cs2+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.469 ± 0.015 | LPES | McHugh, Eaton, et al., 1989 | Vertical Detachment Energy: 0.511±0.010 eV; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 3.7 ± 0.1 | PI | Kappes, Radi, et al., 1985 | LBLHLM |
| ≤3.76 ± 0.06 | S | Helm and Moller, 1983 | LBLHLM |
| 3.68 | EVAL | Marr and Wherrett, 1972 | LLK |
| 3.60 | PI | Marr and Wherrett, 1972 | LLK |
| 3.8 ± 0.1 | PI | Foster, Leckenby, et al., 1969 | RDSH |
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.
McHugh, Eaton, et al., 1989
McHugh, K.M.; Eaton, J.G.; Lee, G.H.; Sarkas, H.W.; Kidder, L.H.; Snodgrass, J.T.; Manaa, M.R.; Bowen, K.H.,
Photoelectron Spectra of the alkali metal cluster Anions: Na-,n=2-5, K-,n=2-7, Rb-,n=2-3, and Cs-,n=2-3,
J. Chem. Phys., 1989, 91, 6, 3792, https://doi.org/10.1063/1.456861
. [all data]
Kappes, Radi, et al., 1985
Kappes, M.M.; Radi, P.; Schar, M.; Schumacher, E.,
Photoionization measurements on dialkali monohalides generated in supersonic nozzle beams,
Chem. Phys. Lett., 1985, 113, 243. [all data]
Helm and Moller, 1983
Helm, H.; Moller, R.,
Bound-free spectroscopy of Cs2+,
Phys. Rev. A:, 1983, 27, 2493. [all data]
Marr and Wherrett, 1972
Marr, G.V.; Wherrett, S.R.,
The ionization of caesium vapour by the method of space charge amplification,
J. Phys. B:, 1972, 5, 1735. [all data]
Foster, Leckenby, et al., 1969
Foster, P.J.; Leckenby, R.E.; Robbins, E.J.,
The ionization potentials of clustered alkali metal atoms,
J. Phys. B:, 1969, 2, 478. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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