Digermane
- Formula: Ge2H6
- Molecular weight: 151.33
- IUPAC Standard InChIKey: MOFQWXUCFOZALF-UHFFFAOYSA-N
- CAS Registry Number: 13818-89-8
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, References, Notes
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
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
12.5 ± 0.3 | EI | Saalfeld and Svec, 1963 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
Ge+ | 13.3 ± 0.3 | ? | EI | Saalfeld and Svec, 1963 | RDSH |
GeH3+ | 10.26 ± 0.10 | ? | EI | Saalfeld and Svec, 1966 | RDSH |
Ge2+ | 13.1 ± 0.3 | 3H2 | EI | Saalfeld and Svec, 1963 | RDSH |
Ge2H+ | 13.0 ± 0.3 | 2H2+H | EI | Saalfeld and Svec, 1963 | RDSH |
Ge2H2+ | 12.9 ± 0.3 | 2H2 | EI | Saalfeld and Svec, 1963 | RDSH |
Ge2H3+ | 12.8 ± 0.3 | H2+H | EI | Saalfeld and Svec, 1963 | RDSH |
Ge2H4+ | 12.7 ± 0.3 | H2 | EI | Saalfeld and Svec, 1963 | RDSH |
Ge2H5+ | 12.6 ± 0.3 | H | EI | Saalfeld and Svec, 1963 | RDSH |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Takehiko Shimanouchi
Symmetry: D3d Symmetry Number σ = 6
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a1g | 1 | GeH3 s-str | 2068 | C | ia | 2068 S p | liq. | |||
a1g | 2 | GeH3 s-deform | 832 | C | ia | 832 VW p | liq. | |||
a1g | 3 | GeGe str | 268 | C | ia | 268.4 S p | liq. | |||
a1u | 4 | Torsion | 146 | E | ia | ia | ||||
a2u | 5 | GeH3 s-str | 2077 | B | 2077.0 VS | gas | ia | |||
a2u | 6 | GeH3 s-deform | 756 | B | 756.0 VS | gas | ia | |||
eu | 7 | GeH3 d-str | 2091 | B | 2090.7 S | gas | ia | |||
eu | 8 | GeH3 d-deform | 879 | B | 879.0 S | gas | ia | |||
eu | 9 | GeH3 rock | 370 | B | 370.3 M | gas | ia | |||
eg | 10 | GeH3 d-str | 2081 | E | CF | |||||
eg | 11 | GeH3 d-deform | 880 | C | 879.6 M dp | liq. | ||||
eg | 12 | GeH3 rock | 567 | C | 566.6 W dp | liq. | ||||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
VW | Very weak |
ia | Inactive |
p | Polarized |
dp | Depolarized |
CF | Calculated frequency |
B | 1~3 cm-1 uncertainty |
C | 3~6 cm-1 uncertainty |
E | 15~30 cm-1 uncertainty |
References
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Saalfeld and Svec, 1963
Saalfeld, F.E.; Svec, H.J.,
The mass spectra of volatile hydrides. II. Some higher hydrides of the group IVB and VB elements,
Inorg. Chem., 1963, 2, 50. [all data]
Saalfeld and Svec, 1966
Saalfeld, F.E.; Svec, H.J.,
Mass spectra of volatile hydrides. IV. Silylgermane,
J. Phys. Chem., 1966, 70, 1753. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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