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Germanium tetrachloride

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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 (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
228. - 357.3.682251080.101-63.588Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
44.6 ± 0.2187. - 221.MGBalk and Dong, 1964AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
8.52221.7Devyatykh, Gusev, et al., 1986AC

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

Chlorine anion + Germanium tetrachloride = Cl5Ge-

By formula: Cl- + Cl4Ge = Cl5Ge-

Quantity Value Units Method Reference Comment
Deltar141. ± 5.9kJ/molCIDTHao, Kaspar, et al., 2005gas 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 ± 0.1eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
11.68 ± 0.05EITamas, Czira, et al., 1972LLK
11.88 ± 0.02PEBassett and Lloyd, 1971LLK
11.6 ± 0.3EIUy, Muenow, et al., 1969RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
Cl+21. ± 1.?EIUy, Muenow, et al., 1969RDSH
GeCl+18. ± 1.?EIUy, Muenow, et al., 1969RDSH
GeCl2+17. ± 1.?EIUy, Muenow, et al., 1969RDSH
Cl3Ge+12.12 ± 0.04ClEITamas, Czira, et al., 1972LLK
GeCl3+12.3 ± 0.3ClEIUy, Muenow, et al., 1969RDSH
Ge+21. ± 1.?EIUy, Muenow, et al., 1969RDSH

Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Chlorine anion + Germanium tetrachloride = Cl5Ge-

By formula: Cl- + Cl4Ge = Cl5Ge-

Quantity Value Units Method Reference Comment
Deltar141. ± 5.9kJ/molCIDTHao, Kaspar, et al., 2005gas phase

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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Mass spectrum
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Additional Data

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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

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Vibrational and/or electronic energy levels

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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: Takehiko Shimanouchi

Symmetry:   Td     Symmetry Number sigma = 12


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1 1 Sym str 396  C 396 liq.
e 2 Deg deform 134  C 134 liq.
f2 3 Deg str 453  C 453 liq.
f2 4 Deg deform 172  C 172 liq.

Source: Shimanouchi, 1972

Notes

C3~6 cm-1 uncertainty

References

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References