(Trimethylsilyl)acetylene

• Formula: C₅H₁₀Si
• Molecular weight: 98.2184
• IUPAC Standard InChI: InChI=1S/C5H10Si/c1-5-6(2,3)4/h1H,2-4H3 Copy

  
• IUPAC Standard InChIKey: CWMFRHBXRUITQE-UHFFFAOYSA-N Copy
• CAS Registry Number: 1066-54-2
• 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.
• Species with the same structure:
  • Ethyne, 1-trimethylsilyl-
• Other names: Ethynyltrimethylsilane; Silane, ethynyltrimethyl-; Acetylene, trimethylsilyl-; Silane, trimethyl-, ethynyl-; (Trimethylsilyl)ethyne; 1-(Trimethylsilyl)acetylene; 1-Trimethylsilylethyne; Trimethylethynylsilane; Ethyne,-trimethylsilyl
• Information on this page:
  • Gas phase ion energetics data
  • IR Spectrum
  • References
  • Notes
• Other data available:
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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

IR Spectrum

Go To: Top, Gas phase ion energetics data, References, Notes

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

Gas Phase Spectrum

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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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.

Matsumoto, Akaiwa, et al., 1986
Matsumoto, H.; Akaiwa, K.; Nagai, Y.; Ohno, K.; Imai, K.; Masuda, S.; Harada, Y., Analysis of stereochemical properties of molecular orbitals of (trimethylsilyl)acetylenes by penning ionization electron spectroscopy, Organometallics, 1986, 5, 1526. [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]

Bieri, Brogli, et al., 1973
Bieri, G.; Brogli, F.; Heilbronner, E.; Kloster-Jensen, E., A photoelectron spectroscopic investigation of the electronic structure of trimethylsilylhaloacetylenes, J. Electron Spectrosc. Relat. Phenom., 1973, 1, 67. [all data]

Bock and Seidl, 1968
Bock, H.; Seidl, H., d-Orbital effects in siliconsubstituted π-electron systems. Part XII. Some spectroscopic properties of alkyl and silyl acetylenes and polyacetylenes, J. Chem. Soc. B, 1968, 1158. [all data]

Takhistov, Khlebnikova, et al., 1980
Takhistov, V.; Khlebnikova, N.; Orlov, V., Photoionization study of energetic properties of cations formed with fragmentation of substituted acetylenes containing elements of IV B group, Org. React. Tartu, 1980, 17, 449. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy

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