Germanium tetrachloride
- Formula: Cl4Ge
- Molecular weight: 214.45
- IUPAC Standard InChIKey: IEXRMSFAVATTJX-UHFFFAOYSA-N
- CAS Registry Number: 10038-98-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: GeCl4; Germanium chloride; Germanium(IV) chloride; Germane, tetrachloro-; Germanium chloride (GeCl4); Germanium, tetrachloro-; Tetrachlorogermane; Extrema
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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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
228. to 357. | 3.67654 | 1080.101 | -63.588 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
10.7 ± 0.05 | 187. to 221. | MG | Balk and Dong, 1964 | AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.04 | 221.7 | Devyatykh, Gusev, et al., 1986 | AC |
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
+ = Cl5Ge-
By formula: Cl- + Cl4Ge = Cl5Ge-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 33.7 ± 1.4 | kcal/mol | CIDT | Hao, Kaspar, et al., 2005 | 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 11.7 ± 0.1 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.68 ± 0.05 | EI | Tamas, Czira, et al., 1972 | LLK |
11.88 ± 0.02 | PE | Bassett and Lloyd, 1971 | LLK |
11.6 ± 0.3 | EI | Uy, Muenow, et al., 1969 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
Cl+ | 21. ± 1. | ? | EI | Uy, Muenow, et al., 1969 | RDSH |
GeCl+ | 18. ± 1. | ? | EI | Uy, Muenow, et al., 1969 | RDSH |
GeCl2+ | 17. ± 1. | ? | EI | Uy, Muenow, et al., 1969 | RDSH |
Cl3Ge+ | 12.12 ± 0.04 | Cl | EI | Tamas, Czira, et al., 1972 | LLK |
GeCl3+ | 12.3 ± 0.3 | Cl | EI | Uy, Muenow, et al., 1969 | RDSH |
Ge+ | 21. ± 1. | ? | EI | Uy, Muenow, et al., 1969 | 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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Due to licensing restrictions, this spectrum cannot be downloaded.
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. |
---|---|
Origin | Chemical Concepts |
NIST MS number | 158821 |
References
Go To: Top, Phase change data, Reaction thermochemistry 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.
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Balk and Dong, 1964
Balk, P.; Dong, D.,
The Vapor Pressures of Silicon Tetrachloride and Germanium Tetrachloride below Their Melting Points,
J. Phys. Chem., 1964, 68, 4, 960-962, https://doi.org/10.1021/j100786a507
. [all data]
Devyatykh, Gusev, et al., 1986
Devyatykh, G.G.; Gusev, A.V.; Gibin, A.M.; Zhernenkov, N.V.; Kabanov, A.V.,
Russ. J. Inorg. Chem., 1986, 31, 1281. [all data]
Hao, Kaspar, et al., 2005
Hao, C.T.; Kaspar, J.D.; Check, C.E.; Lobring, K.C.; Gilbert, T.M.; Sunderlin, L.S.,
Effect of substituents on the strength of A-Cl- (A = Si, Ge, and Sn) bonds in hypervalent systems: ACl(5)(-), ACl(4)F(-), and A(CH3)(3)Cl-2(-),
J. Phys. Chem. A, 2005, 109, 9, 2026-2034, https://doi.org/10.1021/jp040743x
. [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]
Bassett and Lloyd, 1971
Bassett, P.J.; Lloyd, D.R.,
Photoelectron spectra of halides. Part I. Tetrafluorides and tetrachlorides of group IVB,
J. Chem. Soc., 1971, (A), 641. [all data]
Uy, Muenow, et al., 1969
Uy, O.M.; Muenow, D.W.; Margrave, J.L.,
Mass spectrometric studies at high temperatures. Part 35. Stabilities of gaseous GeCl2 and GeBr2,
J. Chem. Soc. Faraday Trans., 1969, 65, 1296. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy ΔfusH Enthalpy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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