Digermane, hexaethyl-
- Formula: C12H30Ge2
- Molecular weight: 319.65
- IUPAC Standard InChI: InChI=1S/C12H30Ge2/c1-7-13(8-2,9-3)14(10-4,11-5)12-6/h7-12H2,1-6H3
- IUPAC Standard InChIKey: KAZJJJFSTXNXEO-UHFFFAOYSA-N
- CAS Registry Number: 993-62-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Hexaethyldigermane; ((C2H5)3Ge)2; Hexaethyldigermanium
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Gas phase thermochemistry 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 by: José A. Martinho Simões
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -313.7 ± 9.7 | kJ/mol | Review | Martinho Simões |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry 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 as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.48 ± 0.01 | EI | Mochida, Worley, et al., 1985 | LBLHLM |
| 7.48 ± 0.01 | EI | Pitt, Bursey, et al., 1970 | RDSH |
| 7.4 ± 0.2 | EI | deRidder and Dijkstra, 1968 | RDSH |
| 8.33 | PE | Mochida, Worley, et al., 1985 | Vertical value; LBLHLM |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C4H13Ge2+ | 14.9 ± 0.2 | ? | EI | deRidder and Dijkstra, 1968 | RDSH |
| C6H15Ge+ | 10.9 ± 0.2 | ? | EI | deRidder and Dijkstra, 1968 | RDSH |
| C6H17Ge2+ | 12.9 ± 0.2 | ? | EI | deRidder and Dijkstra, 1968 | RDSH |
| C8H21Ge2+ | 11.7 ± 0.2 | ? | EI | deRidder and Dijkstra, 1968 | RDSH |
| C10H25Ge2+ | 9.6 ± 0.2 | ? | EI | deRidder and Dijkstra, 1968 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, 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.
Martinho Simões
Martinho Simões, J.A.,
Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]
Mochida, Worley, et al., 1985
Mochida, K.; Worley, S.; Kochi, J.,
UV photoelectron spectra of peralkylated catenates of Group 4B elements (silicon, germanium, and tin),
Bull. Chem. Soc. Jpn., 1985, 58, 3389. [all data]
Pitt, Bursey, et al., 1970
Pitt, C.G.; Bursey, M.M.; Rogerson, P.F.,
Catenates of the group IV elements. Correlation of σ electron energies,
J. Am. Chem. Soc., 1970, 92, 519. [all data]
deRidder and Dijkstra, 1968
deRidder, J.J.; Dijkstra, G.,
On the mass spectra of some alkyl digermanium compounds,
Org. Mass Spectrom., 1968, 1, 647. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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