Tetraethylgermanium
- Formula: C8H20Ge
- Molecular weight: 188.88
- IUPAC Standard InChIKey: QQXSEZVCKAEYQJ-UHFFFAOYSA-N
- CAS Registry Number: 597-63-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Germane, tetraethyl-; Tetraethylgermane; (C2H5)4Ge; Germanium, tetraethyl-
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Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: José A. Martinho Simões
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -34.15 ± 0.93 | kcal/mol | Review | Martinho Simões | |
ΔfH°gas | -37.9 ± 1.8 | kcal/mol | Review | Martinho Simões | |
ΔfH°gas | -39.4 ± 1.6 | kcal/mol | Review | Martinho Simões | Selected data. |
ΔfH°gas | -37.5 ± 1.1 | kcal/mol | Review | Martinho Simões |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.9 | PE | Schweig, Weidner, et al., 1973 | LLK |
9.8 | EI | deRidder and Dijkstra, 1967 | RDSH |
9.3 | PE | Schweig, Weidner, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H5Ge+ | 16.7 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
C2H7Ge+ | 13.2 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
C4H11Ge+ | 11.4 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
C6H15Ge+ | 9.6 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
Ge+ | 17.4 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
GeH+ | 21.6 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
GeH3+ | 16.3 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-8638 |
NIST MS number | 236751 |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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]
Schweig, Weidner, et al., 1973
Schweig, A.; Weidner, U.; Manuel, G.,
Theory and application of photoelectron spectroscopy. XVI. Photoelectron spectroscopy and molecular conformations: Ge-C and Sn-C hyperconjugation and the conformation of allylgermanes and stannanes,
J. Organomet. Chem., 1973, 54, 145. [all data]
deRidder and Dijkstra, 1967
deRidder, J.J.; Dijkstra, G.,
Mass spectra of the tetramethyl and tetraethyl compounds of carbon, silicon, germanium, tin and lead,
Rec. Trav. Chim., 1967, 86, 737. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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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