Germane, tetramethyl-

• Formula: C₄H₁₂Ge
• Molecular weight: 132.78
• IUPAC Standard InChI: InChI=1S/C4H12Ge/c1-5(2,3)4/h1-4H3 Copy

  
• IUPAC Standard InChIKey: ZRLCXMPFXYVHGS-UHFFFAOYSA-N Copy
• CAS Registry Number: 865-52-1
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Tetramethylgermane; Tetramethylgermanium; (CH3)4Ge; Germanium, tetramethyl-
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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 as indicated in comments:
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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: José A. Martinho Simões

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

 (g) = C₃H₉Ge (g) +  (g)

By formula: C₄H₁₂Ge (g) = C₃H₉Ge (g) + CH₄ (g)

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:
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

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]

Long and Pulford, 1986
Long, L.H.; Pulford, C.I., J. Chem. Soc., Faraday Trans. 2, 1986, 82, 567. [all data]

Shaulov, Federov, et al., 1969
Shaulov, Yu.Kh.; Federov, A.K.; Genchel, V.G., Russ. J. Phys. Chem., 1969, 43, 744. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Valerga and Kilpatrick, 1970
Valerga, A.J.; Kilpatrick, J.E., Entropy related thermodynamic properties of tetramethylgermane, J. Chem. Phys., 1970, 52, 4545-4549. [all data]

Smith and Patrick, 1983
Smith, G.P.; Patrick, R., Int. J. Chem. Kinet., 1983, 15, 167. [all data]

McMillen and Golden, 1982
McMillen, D.F.; Golden, D.M., Hydrocarbon bond dissociation energies, Ann. Rev. Phys. Chem., 1982, 33, 493. [all data]

MacLean and Sacher, 1974
MacLean, D.I.; Sacher, R.E., A study of some spectroscopic properties of Group IVA acetylides, J. Organomet. Chem., 1974, 74, 197. [all data]

Jonas, Schweitzer, et al., 1973
Jonas, A.E.; Schweitzer, G.K.; Grimm, F.A.; Carlson, T.A., The photoelectron spectra of the tetrafluoro and tetramethyl compounds of the group IV elements, J. Electron Spectrosc. Relat. Phenom., 1973, 1, 29. [all data]

Evans, Green, et al., 1972
Evans, S.; Green, J.C.; Joachim, P.J.; Orchard, A.F.; Turner, D.W.; Maier, J.P., Electronic structures of the Group IV_B tetramethyls by helium-(I) photoelectron spectroscopy, J. Chem. Soc. Faraday Trans. 2, 1972, 68, 905. [all data]

Lappert, Pedley, et al., 1971
Lappert, M.F.; Pedley, J.B.; Simpson, J.; Spalding, T.R., Bonding studies of compounds of boron and the Group IV elements. VI. Mass spectrometric studies on compounds Me₄M and Me₃M-M'Me₃ (M and M'=C, Si, Ge, Sn, and Pb): thermochemical data, J. Organomet. Chem., 1971, 29, 195. [all data]

Lappert, Simpson, et al., 1969
Lappert, M.F.; Simpson, J.; Spalding, T.R., Bonding studies of compounds of the group IV elements: ionisation potentials of the Me₃M radicals, J.Organometal. Chem., 1969, 17, PI. [all data]

deRidder and Dijkstra, 1967
deRidder, J.J.; Dijkstra, G., Mass spectra of the tetramethyl and tetraethyl compounds of carbon, silicon, germanium, tin and lead, Rec. Trav. Chim., 1967, 86, 737. [all data]

Hobrock and Kiser, 1962
Hobrock, B.G.; Kiser, R.W., Electron impact spectroscopy of tetramethylgermanium, trimethylsilane, and dimethylmercury, J. Phys. Chem., 1962, 66, 155. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  Cp,liquid	Constant pressure heat capacity of liquid
  S°liquid	Entropy of liquid at standard conditions
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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