Silane, tetramethyl-

• Formula: C₄H₁₂Si
• Molecular weight: 88.2236
• IUPAC Standard InChI: InChI=1S/C4H12Si/c1-5(2,3)4/h1-4H3 Copy

  
• IUPAC Standard InChIKey: CZDYPVPMEAXLPK-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-76-3
• 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: Tetramethylsilane; (CH3)4Si; Silicon, tetramethyl-; Tetramethylsilicane; UN 2749; Si(CH3)4; CT2050; TMS; NSC 5210; T2050
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• Information on this page:
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Ion clustering data
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Entropy of vaporization

Antoine Equation Parameters

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

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Enthalpy of fusion

Enthalpy of phase transition

Entropy of phase transition

IR Spectrum

Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.

• SOLUTION (5% IN CCl4 FOR 3800-1160, 2% IN CS2 FOR 1320-500, AND 5% IN CCl4 FOR 600-230 CM^-1); PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

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

References

Go To: Top, Phase change data, IR Spectrum, 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.

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Sommer, Goldberg, et al., 1946
Sommer, L.H.; Goldberg, G.M.; Derfman, E.; Whitmore, F.C., Organisilicaon Compounds V. β-Elimination Involving Silicon, J. Am. Chem. Soc., 1946, 68, 1083. [all data]

McGlashan and McKinnon, 1977
McGlashan, M.L.; McKinnon, I.R., The vapor pressure, orthobaric volumes, and critical constants of tetramethylsilane, J. Chem. Thermodyn., 1977, 9, 1205-12. [all data]

Voronkov, Baryshok, et al., 1988
Voronkov, M.G.; Baryshok, V.P.; Klyuchnikov, V.A.; Danilova, T.F.; Pepekin, V.I.; Korchagina, A.N.; Khudobin, Yu.I., Thermochemistry of organosilicon compounds, Journal of Organometallic Chemistry, 1988, 345, 1-2, 27-38, https://doi.org/10.1016/0022-328X(88)80231-6 . [all data]

Aston, Kennedy, et al., 1941
Aston, J.G.; Kennedy, R.M.; Messerly, G.H., The heat capacity and entropy, heats of fusion and vaporization and the vapor pressure of silicon tetramethyl, J. Am. Chem. Soc., 1941, 63, 2343-2348. [all data]

Bergmann and Haskelberg, 1941
Bergmann, F.; Haskelberg, L., Synthesis of Lipophilic Chemotherapeuticals. V. N ⁴ -Acyl-sulfanilamides ^1a, J. Am. Chem. Soc., 1941, 63, 8, 2243-2245, https://doi.org/10.1021/ja01853a062 . [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]

Harada, Atake, et al., 1977
Harada, M.; Atake, T.; Chihara, H., Thermodynamic properties of polymorphic phases of tetramethylsilane, J. Chem. Thermodynam., 1977, 9, 523-534. [all data]

Shinoda, Enokida, et al., 1973
Shinoda, T.; Enokida, H.; Maeda, Y.; Tomita, H.; Mashiko, Y., Heat capacity of tetramethylsilane in the range from 2 to 26 K and premelting range, Bull. Chem. Soc. Japan, 1973, 46, 48-52. [all data]

Notes

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Ttriple	Triple point temperature
  Vc	Critical volume
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔfusH	Enthalpy of fusion
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ΔvapS	Entropy of vaporization

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