Methyl germane
- Formula: CH6Ge
- Molecular weight: 90.70
- CAS Registry Number: 1449-65-6
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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: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.4 | 181. | N/A | Amberger and Boeters, 1961 | Based on data from 164. to 197. K. |
16.6 | 194. | SG | Griffiths and Onyszchuk, 1961 | Based on data from 159. to 230. K. |
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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.0 | PE | Drake, Glavincevski, et al., 1979 | LLK |
11.00 | PE | Drake, Glavincevski, et al., 1979 | Vertical value; LLK |
De-protonation reactions
CH5Ge- + = CH6Ge
By formula: CH5Ge- + H+ = CH6Ge
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1537. ± 8.8 | kJ/mol | G+TS | Decouzon, Gal, et al., 1993 | gas phase; B |
ΔrH° | 1534. ± 8.8 | kJ/mol | G+TS | Gal, Decouzon, et al., 2001 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1503. ± 8.4 | kJ/mol | IMRE | Decouzon, Gal, et al., 1993 | gas phase; B |
ΔrG° | 1501. ± 8.4 | kJ/mol | IMRE | Gal, Decouzon, et al., 2001 | gas phase; B |
References
Go To: Top, Phase change 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.
Amberger and Boeters, 1961
Amberger, E.; Boeters, H.,
Darstellung der Methylchlorgermane,
Angew. Chem., 1961, 73, 3, 114-114, https://doi.org/10.1002/ange.19610730309
. [all data]
Griffiths and Onyszchuk, 1961
Griffiths, J.E.; Onyszchuk, M.,
ORGANOGERMANIUM COMPOUNDS: PART I. THE INTERACTION OF HEXAMETHYLDIGERMOXANE AND TRIMETHYLMETHOXYGERMANE WITH BORON TRIFLUORIDE,
Can. J. Chem., 1961, 39, 2, 339-347, https://doi.org/10.1139/v61-040
. [all data]
Drake, Glavincevski, et al., 1979
Drake, J.E.; Glavincevski, B.M.; Gorzelska, K.,
The photoelectron spectra of methylgermane, trifluoro- and trichloro-methylgermane,
J. Electron Spectrosc. Relat. Phenom., 1979, 17, 73. [all data]
Decouzon, Gal, et al., 1993
Decouzon, M.; Gal, J.F.; Gayraud, J.; Maria, P.C.; Vaglio, G.A.; Volpe, P.,
Fourier Transform-Ion Cyclotron Resonance Study of the Gas-Phase Acidities of Germane and Methylgermane - Bond Dissociation Energy of German,
J. Am. Soc. Mass Spectrom., 1993, 4, 1, 54, https://doi.org/10.1016/1044-0305(93)85042-V
. [all data]
Gal, Decouzon, et al., 2001
Gal, J.F.; Decouzon, M.; Maria, P.C.; Gonzalez, A.I.; Mo, O.; Yanez, M.; El Chaouch, S.; Guillemin, J.C.,
Acidity trends in alpha,beta-unsaturated alkanes, silanes, germanes, and stannanes,
J. Am. Chem. Soc., 2001, 123, 26, 6353-6359, https://doi.org/10.1021/ja004079j
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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