2-Silaisobutene

• Formula: C₃H₈Si
• Molecular weight: 72.1811
• IUPAC Standard InChI: InChI=1S/C3H8Si/c1-4(2)3/h1H2,2-3H3 Copy

  
• IUPAC Standard InChIKey: ZIOQFHFYVWYPJP-UHFFFAOYSA-N Copy
• CAS Registry Number: 4112-23-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Information on this page:
  • Gas phase ion energetics data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Ion clustering data
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
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

View reactions leading to C₃H₈Si⁺ (ion structure unspecified)

Ionization energy determinations

De-protonation reactions

C₃H₇Si^- +  =

By formula: C₃H₇Si^- + H⁺ = C₃H₈Si

Vibrational and/or electronic energy levels

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: Marilyn E. Jacox

State:   X

Additional references: Jacox, 1994, page 401; Jacox, 2003, page 386; Mahaffy, Gutowsky, et al., 1980; Mal'tsev, Khabashesku, et al., 1984; Khabashesku, Kudin, et al., 1998

Notes

References

Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Dyke, Josland, et al., 1982
Dyke, J.M.; Josland, G.D.; Lewis, R.A.; Morris, A., Improved first ionization potential of the dimethylsilaethylene molecule obtained with high-temperature photoelectron spectroscopy, J. Phys. Chem., 1982, 86, 2913. [all data]

Koenig and McKenna, 1981
Koenig, T.; McKenna, W., First ionization band of 1,1-dimethylsilaethylene by transient photoelectron spectroscopy, J. Am. Chem. Soc., 1981, 103, 1212. [all data]

Gusel'nikov and Nametkin, 1979
Gusel'nikov, L.E.; Nametkin, N.S., 1,1-dimethyl-1-silaethylene. Heat of formation, ionization potential and the energy of the silicon-carbon π-bond, J. Organomet. Chem., 1979, 169, 155. [all data]

Damrauer, DePuy, et al., 1986
Damrauer, R.; DePuy, C.H.; Davidson, I.M.T.; Hughes, K.J., Gas phase ion chemistry of dimethylsilene, Organometallics, 1986, 5, 2050. [all data]

Trommer, Sander, et al., 1993
Trommer, M.; Sander, W.; Patyk, A., Oxidation of methylsilenes with molecular oxygen. A matrix isolation study, J. Am. Chem. Soc., 1993, 115, 25, 11775, https://doi.org/10.1021/ja00078a016 . [all data]

Mal'tsev, Khabashesku, et al., 1977
Mal'tsev, A.K.; Khabashesku, V.N.; Nefedov, O.M., Dokl. Akad. Nauk SSSR, 1977, 233, 421. [all data]

Mal'tsev, Khabashesku, et al., 1979
Mal'tsev, A.K.; Khabashesku, V.N.; Nefedov, O.M., Izv. A.N. SSSR, 1979, Ser. Khim., 2152. [all data]

Nefedov, Mal'tsev, et al., 1980
Nefedov, O.M.; Mal'tsev, A.K.; Khabashesku, V.N.; Korolev, V.A., Ar-matrix stabilization and ir spectra of 1,1-dimethyl-1-silaethylene and its deuteromethyl derivative, J. Organomet. Chem., 1980, 201, 1, 123, https://doi.org/10.1016/S0022-328X(00)92571-3 . [all data]

Gusel'nikov, Volkova, et al., 1980
Gusel'nikov, L.E.; Volkova, V.V.; Avakyan, V.G.; Nametkin, N.S., Very low pressure pyrolysis (VLPP) of monosilacyclobutanes. Infrared absorptions of 1,1-dimethyl-1-silaethylene, (CH3)2Si«58875»CH2, and 1,1-dideuteriomethyl-1-silaethylene, (CD3)2Si«58875»CH2 isolated in argon matrices, J. Organomet. Chem., 1980, 201, 1, 137, https://doi.org/10.1016/S0022-328X(00)92572-5 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Mahaffy, Gutowsky, et al., 1980
Mahaffy, P.G.; Gutowsky, R.; Montgomery, L.K., An electron diffraction study of 1,1-dimethylsilaethylene, J. Am. Chem. Soc., 1980, 102, 8, 2854, https://doi.org/10.1021/ja00528a064 . [all data]

Mal'tsev, Khabashesku, et al., 1984
Mal'tsev, A.K.; Khabashesku, V.N.; Nefedov, O.M., Direct spectroscopic study of silaolefins. Vibrational frequencies of R2Si«58875»CD2 (R = CH3, CD3) in an argon matrix, J. Organomet. Chem., 1984, 271, 1-3, 55, https://doi.org/10.1016/0022-328X(84)85163-3 . [all data]

Khabashesku, Kudin, et al., 1998
Khabashesku, V.N.; Kudin, K.N.; Margrave, J.L., Vibrational analysis of infrared spectra of matrix-isolated transient silenes on basis of density functional theory calculations, J. Mol. Struct., 1998, 443, 1-3, 175, https://doi.org/10.1016/S0022-2860(97)00398-0 . [all data]

Notes

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• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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