germanium
- Formula: Ge
- Molecular weight: 72.64
- IUPAC Standard InChIKey: GNPVGFCGXDBREM-UHFFFAOYSA-N
- CAS Registry Number: 7440-56-4
- Chemical structure:
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- Other data available:
- Data at other public NIST sites:
- NIST Atomic Spectra Database - Lines Holdings (on physics web site)
- NIST Atomic Spectra Database - Levels Holdings (on physics web site)
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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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
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 Ge+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.899 ± 0.001 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.232713 ± 0.000044 | LPD | Scheer, Bilodeau, et al., 1998 | Given: 1.232712(15) eV; B |
1.2330 ± 0.0030 | LPES | Miller, Miller, et al., 1986 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.900 | EVAL | Lide, 1992 | LL |
7.899 | S | Kelly, 1987 | LBLHLM |
7.89944 ± 0.00002 | S | Brown, Tilford, et al., 1977 | LLK |
7.8 ± 0.5 | EI | Muenow, 1974 | LLK |
8.0 ± 0.3 | EI | Hildenbrand, 1972 | LLK |
7.900 | S | Moore, 1970 | 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.
Scheer, Bilodeau, et al., 1998
Scheer, M.; Bilodeau, R.C.; Brodie, C.A.; Haugen, H.K.,
Systematic study of the stable states of C-, Si-, Ge-, and Sn- via infrared laser spectroscopy,
Phys. Rev. A, 1998, 58, 4, 2844-2856, https://doi.org/10.1103/PhysRevA.58.2844
. [all data]
Miller, Miller, et al., 1986
Miller, T.M.; Miller, A.E.S.; Lineberger, W.C.,
Electron Affinities of Ge and Sn,
Phys. Rev. A, 1986, 33, 5, 3558, https://doi.org/10.1103/PhysRevA.33.3558
. [all data]
Lide, 1992
Lide, D.R. (Editor),
Ionization potentials of atoms and atomic ions
in Handbook of Chem. and Phys., 1992, 10-211. [all data]
Kelly, 1987
Kelly, R.L.,
Atomic and ionic spectrum lines of hydrogen through kryton,
J. Phys. Chem. Ref. Data, 1987, 16. [all data]
Brown, Tilford, et al., 1977
Brown, C.M.; Tilford, S.G.; Ginter, M.L.,
Absorption spectrum of Ge I between 1500 and 1900 Å,
J. Opt. Soc. Am., 1977, 67, 584. [all data]
Muenow, 1974
Muenow, D.W.,
Mass spectrometric determination of the heats of formation and atomization energies of the molecules Ge2N and GeSiN,
J. Chem. Phys., 1974, 60, 3382. [all data]
Hildenbrand, 1972
Hildenbrand, D.L.,
The gaseous equilibrium Ge + SiO = GeO + Si and the dissociation energy of SiO,
High Temp. Sci., 1972, 4, 244. [all data]
Moore, 1970
Moore, C.E.,
Ionization potentials and ionization limits derived from the analyses of optical spectra,
Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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