Bis(trimethylsilyl)acetylene

• Formula: C₈H₁₈Si₂
• Molecular weight: 170.3995
• IUPAC Standard InChI: InChI=1S/C8H18Si2/c1-9(2,3)7-8-10(4,5)6/h1-6H3 Copy

  
• IUPAC Standard InChIKey: ZDWYFWIBTZJGOR-UHFFFAOYSA-N Copy
• CAS Registry Number: 14630-40-1
• 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: 1,2-Bis(trimethylsilyl)acetylene; Silane, 1,2-ethynediylbis[trimethyl-; 2,5-Disilahex-3-yne, 2,2,5,5-tetramethyl-; Acetylene, bis(trimethylsilyl)-; Bis(trimethylsilyl)ethyne; 1,2-Bis(trimethylsilyl)ethyne; Silane, 1,1'-(1,2-ethynediyl)bis[1,1,1-trimethyl-
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Mass spectrum (electron ionization)
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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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C₈H₁₈Si₂⁺ (ion structure unspecified)

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.

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]

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]

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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