dimethyloxosilane

• Formula: C₂H₆OSi
• Molecular weight: 74.1539
• IUPAC Standard InChI: InChI=1S/C2H6OSi/c1-4(2)3/h1-2H3 Copy

  
• IUPAC Standard InChIKey: SEUDSDUUJXTXSV-UHFFFAOYSA-N Copy
• CAS Registry Number: 47956-45-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Silane, dimethyloxo-
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
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Reaction 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 by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C₂H₅OSi^- +  =

By formula: C₂H₅OSi^- + H⁺ = C₂H₆OSi

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 by: John E. Bartmess

De-protonation reactions

C₂H₅OSi^- +  =

By formula: C₂H₅OSi^- + H⁺ = C₂H₆OSi

Vibrational and/or electronic energy levels

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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: Marilyn E. Jacox

State:   X

Additional references: Jacox, 1994, page 416

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, NIST Free Links, Notes

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

Damrauer and Krempp, 1990
Damrauer, R.; Krempp, M., Gas Phase Ion-Molecule Chemistry of Methoxy-Substituted Silanes: Collision Induced Decomposition of Siloxide Ions Leading to Anions of Silaacetaldehyde and Methyl Silaformate, Organomet., 1990, 9, 4, 999, https://doi.org/10.1021/om00118a015 . [all data]

Froelicher, Freiser, et al., 1984
Froelicher, S.W.; Freiser, B.S.; Squires, R.R., Dimethylsilanone Enolate, J. Am. Chem. Soc., 1984, 106, 22, 6863, https://doi.org/10.1021/ja00334a077 . [all data]

Arrington, West, et al., 1983
Arrington, C.A.; West, R.; Michl, J., On the proposed thermal interconversion of matrix-isolated dimethylsilylene and 1-methylsilene: their reactions with oxygen atom donors, J. Am. Chem. Soc., 1983, 105, 19, 6176, https://doi.org/10.1021/ja00357a048 . [all data]

Withnall and Andrews, 1986
Withnall, R.; Andrews, L., Infrared spectroscopic evidence for silicon-oxygen double bonds: methyl- and dimethylsilanones in solid argon, J. Am. Chem. Soc., 1986, 108, 25, 8118, https://doi.org/10.1021/ja00285a054 . [all data]

Withnall and Andrews, 1988
Withnall, R.; Andrews, L., Matrix reactions of methylsilanes and oxygen atoms, J. Phys. Chem., 1988, 92, 3, 594, https://doi.org/10.1021/j100314a006 . [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]

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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