Lead, tetramethyl-

• Formula: C₄H₁₂Pb
• Molecular weight: 267.3
• IUPAC Standard InChI: InChI=1S/4CH3.Pb/h4*1H3; Copy

  
• IUPAC Standard InChIKey: XOOGZRUBTYCLHG-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-74-1
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Plumbane, tetramethyl-; Tetramethyllead; Tetramethylplumbane; (CH3)4Pb; Piombo tetra-metile; Tetramethylolovo; TML
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Reaction thermochemistry 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

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Enthalpy of fusion

Entropy of fusion

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]

Good, Scott, et al., 1959
Good, W.D.; Scott, D.W.; Lacina, J.L.; McCullough, J.P., J. Phys. Chem., 1959, 63, 1139. [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]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds in Academic Press, New York, 1970. [all data]

Chlupacek, 1953
Chlupacek, W., Chem. Tech., 1953, art 8. [all data]

Lippincott and Tobin, 1953
Lippincott, E.R.; Tobin, M.C., J. Am. Chem. Soc., 1953, 75, 4141. [all data]

Good, Scott, et al., 1959, 2
Good, W.D.; Scott, D.W.; Lacina, J.L.; McCullough, J.P., Tetramethyllead: heat of formation by rotating-bomb calorimetry, J. Phys. Chem., 1959, 63, 1139-1142. [all data]

Staveley, Warren, et al., 1954
Staveley, L.A.K.; Warren, J.B.; Paget, H.P.; Dowrick, D.J., Some Thermodynamic Properties of Compounds of the Formula MX4 II. Tetraalkyl Compounds, J. Chem. Soc., 1954, 1954, 1992. [all data]

Abraham and Irving, 1980
Abraham, M.H.; Irving, R.J., J. Chem. Thermodyn., 1980, 12, 539. [all data]

Tanaka and Nagai, 1929
Tanaka, Y.; Nagai, Y., Proc. Imp. Acad. (Tokyo), 1929, 5, 78. [all data]

Good, Douslin, et al., 1959
Good, W.D.; Douslin, D.R.; Scott, D.W.; George, A.; Lacina, J.L.; Dawson, J.P.; Waddington, G., Thermochemistry and vapor pressure of aliphatic fluorocarbons. A comparison of the C-F and C-H thermochemical bond energies, J. Phys. Chem., 1959, 63, 1133-1138. [all data]

Staveley, Warren, et al., 1954, 2
Staveley, L.A.K.; Warren, J.B.; Paget, H.P.; Dowrick, D.J., Some thermodynamic properties of compounds of the formula MX4. Part II. Tetra-alkyl compounds, 1954, J. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [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]

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, 1961
Hobrock, B.G.; Kiser, R.W., Electron impact spectroscopy of tetramethylsilicon, -tin and -lead, J. Phys. Chem., 1961, 65, 2186. [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
  Tfus	Fusion (melting) point
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  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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