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. |
Reaction 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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual 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 |
ΔrH° | 1534. ± 8.8 | kJ/mol | G+TS | Gal, Decouzon, et al., 2001 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1503. ± 8.4 | kJ/mol | IMRE | Decouzon, Gal, et al., 1993 | gas phase |
ΔrG° | 1501. ± 8.4 | kJ/mol | IMRE | Gal, Decouzon, et al., 2001 | gas phase |
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
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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]
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]
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]
Notes
Go To: Top, Phase change data, Reaction thermochemistry 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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