Tetragermanium
- Formula: Ge4
- Molecular weight: 290.56
- CAS Registry Number: 12184-87-1
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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 as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.810 ± 0.090 | LPES | Neigishi, Kawamata, et al., 1997 | B |
| 1.940 ± 0.050 | LPES | Burton, Xu, et al., 1996 | B |
| 1.90 ± 0.20 | LPES | Cheshnovsky, Yang, et al., 1987 | EA given is Vertical Detachment Energy. Adiabatic EA est as up to 1 eV smaller; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.0 ± 0.5 | EI | Kant and Strauss, 1966 | RDSH |
| 8.4 ± 0.3 | EI | Drowart, DeMaria, et al., 1959 | 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.
Neigishi, Kawamata, et al., 1997
Neigishi, Y.; Kawamata, H.; Hayase, T.; Gomei, M.; Kishi, R.; Hayakawa, F.; Nakajima, A.; Kaya, K.,
Photoelectron Spectroscopy of Germanium-Fluorine Binary Cluster Anions: the HOMO-LUMO Gap Estimation of Gen Clusters.,
Chem. Phys. Lett., 1997, 269, 3-4, 199-207, https://doi.org/10.1016/S0009-2614(97)00284-4
. [all data]
Burton, Xu, et al., 1996
Burton, G.R.; Xu, C.; Arnold, C.C.; Neumark, D.M.,
Photoelectron Spectroscopy and Zero Kinetic Energy Spectroscopy of Germanium Cluster Anions,
J. Chem. Phys., 1996, 104, 8, 2757, https://doi.org/10.1063/1.471098
. [all data]
Cheshnovsky, Yang, et al., 1987
Cheshnovsky, O.; Yang, S.H.; Pettiette, C.L.; Craycraft, M.J.; Liu, Y.; Smalley, R.E.,
Ultraviolet Photoelectron Spectroscopy of Semiconductor Clusters: Silicon and Germanium,
Chem. Phys. Lett., 1987, 138, 2-3, 119, https://doi.org/10.1016/0009-2614(87)80353-6
. [all data]
Kant and Strauss, 1966
Kant, A.; Strauss, B.H.,
Atomization energies of the polymers of germanium, Ge2 to Ge7,
J. Chem. Phys., 1966, 45, 882. [all data]
Drowart, DeMaria, et al., 1959
Drowart, J.; DeMaria, G.; Boerboom, A.J.H.; Inghram, M.G.,
Mass spectrometric study of intergroup IVB molecules,
J. Chem. Phys., 1959, 30, 308. [all data]
Notes
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- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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