Trimethylgermane
- Formula: C3H10Ge
- Molecular weight: 118.75
- CAS Registry Number: 1449-63-4
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Reaction thermochemistry data
Go To: Top, 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:
B - John E. Bartmess
MS - José A. Martinho Simões
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Individual Reactions
C3H9Ge- + = C3H10Ge
By formula: C3H9Ge- + H+ = C3H10Ge
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1543. ± 8.8 | kJ/mol | D-EA | Brinkman, Salomon, et al., 1995 | gas phase; D-EA cycle implies BDE(Me3Ge-H) = 80.2; B |
| ΔrH° | 1514. ± 13. | kJ/mol | G+TS | Brinkman, Salomon, et al., 1995 | gas phase; Acidity between mF- and oF-aniline.; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1512. ± 9.2 | kJ/mol | H-TS | Brinkman, Salomon, et al., 1995 | gas phase; D-EA cycle implies BDE(Me3Ge-H) = 80.2; B |
| ΔrG° | 1484. ± 13. | kJ/mol | IMRB | Brinkman, Salomon, et al., 1995 | gas phase; Acidity between mF- and oF-aniline.; B |
C3H10Ge (g) = C3H9Ge (g) + (g)
By formula: C3H10Ge (g) = C3H9Ge (g) + H (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 334. ± 12. | kJ/mol | ICR | Brinkman, Salomon, et al., 1995 | The reaction enthalpy was derived from the acidity of Ge(Me)3(H)(g), 1513. ± 12. kJ/mol, the electron affinity of Ge(Me)3(g), 133.5 ± 2.9 kJ/mol Brinkman, Salomon, et al., 1995, and the ionization energy of H(g), 1312.0 kJ/mol Lias, Bartmess, et al., 1988.; MS |
(g) + C3H10Ge (g) = C3H9Ge (g) +
(g)
By formula: I (g) + C3H10Ge (g) = C3H9Ge (g) + HI (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 42.0 ± 1.8 | kJ/mol | KinG | Doncaster and Walsh, 1979 | MS |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Brinkman, Salomon, et al., 1995
Brinkman, E.A.; Salomon, K.; Tumas, W.; Brauman, J.I.,
Electron affinities and gas-phase acidities of organogermanium and organotin compounds,
J. Am. Chem. Soc., 1995, 117, 17, 4905, https://doi.org/10.1021/ja00122a022
. [all data]
Lias, Bartmess, et al., 1988
Lias, S.G.; Bartmess, J.E.; Liebman, J.F.; Holmes, J.L.; Levin, R.D.; Mallard, W.G.,
Gas-Phase Ion and Neutral Thermochemistry, J. Phys. Chem. Ref. Data, 1988, 17, Suppl. 1. [all data]
Doncaster and Walsh, 1979
Doncaster, A.M.; Walsh, R.,
J. Phys. Chem., 1979, 83, 578. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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