chlorotrimethylgermane
- Formula: C3H9ClGe
- Molecular weight: 153.20
- CAS Registry Number: 1529-47-1
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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 | -63.67 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on -136.0 ± 4.0 kcal/mol for the estimated enthalpy of formation of [Ge(Me)3]2O(l) Baldwin, Lappert, et al., 1972. |
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 | -71.7 ± 2.0 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on -136.0 ± 4.0 kcal/mol for the estimated enthalpy of formation of [Ge(Me)3]2O(l) Baldwin, Lappert, et al., 1972. |
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 as indicated in comments:
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 8.01 | kcal/mol | RSC | Baldwin, Lappert, et al., 1972 | MS |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 8.68 | 308. | N/A | Ditsent, Skorokhodov, et al., 1972 | Based on data from 293. to 363. K.; AC |
| 8.22 | 307. | SG | Griffiths and Onyszchuk, 1961 | Based on data from 273. to 341. K.; AC |
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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| ~10.1 | PE | Drake, Glavincevski, et al., 1979 | |
| 9.62 ± 0.04 | EI | Tamas, Czira, et al., 1972 | |
| ~10.5 | PE | Drake, Glavincevski, et al., 1979 | Vertical value |
| 10.35 | PE | Flamini, Semprini, et al., 1976 | Vertical value |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C2H6ClGe+ | 10.44 ± 0.04 | CH3 | EI | Tamas, Czira, et al., 1972 | |
| C3H9Ge+ | 11.75 ± 0.04 | Cl | EI | Tamas, Czira, et al., 1972 |
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.
Martinho Simões
Martinho Simões, J.A.,
Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]
Baldwin, Lappert, et al., 1972
Baldwin, J.C.; Lappert, M.F.; Pedley, J.B.; Poland, J.S.,
J. Chem. Soc., Dalton Trans., 1972, 1943.. [all data]
Ditsent, Skorokhodov, et al., 1972
Ditsent, V.E.; Skorokhodov, I.I.; Terent'eva, N.A.; Zolotareva, M.N.,
Zh. Fiz. Khim., 1972, 46, 7, 1888. [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 trimethylgermane, chloro- and fluoro-trimethylgermane,
J. Electron Spectrosc. Relat. Phenom., 1979, 16, 331. [all data]
Tamas, Czira, et al., 1972
Tamas, J.; Czira, G.; Maltsev, A.K.; Nefedov, O.M.,
Electron impact studies on some organochlorogermanes: mass spectra and bond dissociation energies,
J. Organomet. Chem., 1972, 40, 311. [all data]
Flamini, Semprini, et al., 1976
Flamini, A.; Semprini, E.; Stefani, F.; Sorriso, S.; Cardaci, G.,
He(I) photoelectron spectra and semiempirical molecular-orbital calculations on methylmetal halides of group 4A elements,
J. Chem. Soc. Dalton Trans., 1976, 731. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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