Germanium tetrachloride

• Formula: Cl₄Ge
• Molecular weight: 214.45
• IUPAC Standard InChI: InChI=1S/Cl4Ge/c1-5(2,3)4 Copy

  
• IUPAC Standard InChIKey: IEXRMSFAVATTJX-UHFFFAOYSA-N Copy
• 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
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• Other names: GeCl4; Germanium chloride; Germanium(IV) chloride; Germane, tetrachloro-; Germanium chloride (GeCl4); Germanium, tetrachloro-; Tetrachlorogermane; Extrema
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• Information on this page:
  • 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
  • Notes
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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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Enthalpy of sublimation

Enthalpy of fusion

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^-

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

Ionization energy determinations

Appearance energy determinations

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

 +  = Cl₅Ge^-

By formula: Cl^- + Cl₄Ge = Cl₅Ge^-

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

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:   T_d     Symmetry Number σ = 12

Source: Shimanouchi, 1972

Notes

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.

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

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• 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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