Digermane, hexaethyl-
- Formula: C12H30Ge2
- Molecular weight: 319.65
- 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 |
Condensed 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°liquid | -376.5 ± 9.5 | kJ/mol | Review | Martinho Simões | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -9711.1 ± 8.4 | kJ/mol | CC-SB | Rabinovich, Tel'noi, et al., 1963 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970. |
Phase change 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 |
---|---|---|---|---|---|
ΔvapH° | 62.8 ± 2.1 | kJ/mol | CC-SB | Rabinovich, Tel'noi, et al., 1963 |
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 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 |
Mass spectrum (electron ionization)
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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: 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. |
---|---|
NIST MS number | 15173 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]
Rabinovich, Tel'noi, et al., 1963
Rabinovich, I.B.; Tel'noi, V.I.; Karyakin, N.V.; Razuvaev, G.A.,
Dokl. Akad. Nauk SSSR, 1963, 149, 324. [all data]
Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J.,
Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds
in Academic Press, New York, 1970. [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
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- Symbols used in this document:
AE Appearance energy ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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