Digermane
- Formula: Ge2H6
- Molecular weight: 151.33
- IUPAC Standard InChI: InChI=1S/Ge2H6/c1-2/h1-2H3
- IUPAC Standard InChIKey: MOFQWXUCFOZALF-UHFFFAOYSA-N
- CAS Registry Number: 13818-89-8
- Chemical structure:
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Phase change 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.
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 184.5 - 304.7 | 3.95375 | 1129.447 | -19.239 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Vibrational and/or electronic energy levels
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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 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, Phase change 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.
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [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, Phase change data, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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