Silanol, dimethyl-
- Formula: C2H8OSi
- Molecular weight: 76.1698
- IUPAC Standard InChIKey: LWIGVRDDANOFTD-UHFFFAOYSA-N
- CAS Registry Number: 5906-76-3
- 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: Dimethylsilanol
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Reaction thermochemistry data
Go To: Top, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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: John E. Bartmess
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Individual Reactions
C2H7OSi- + =
By formula: C2H7OSi- + H+ = C2H8OSi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 358.9 ± 4.1 | kcal/mol | G+TS | Damrauer, Simon, et al., 1991 | gas phase; between pyrrole, CF3CH2OH |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 352.5 ± 4.0 | kcal/mol | IMRB | Damrauer, Simon, et al., 1991 | gas phase; between pyrrole, CF3CH2OH |
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
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | A.A.Kutin, Moscow, Russia |
NIST MS number | 261757 |
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
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
OH stretch | 3717.1 | Ar | IR | Withnall and Andrews, 1988 | |||
SiH stretch | 2111.0 | Ar | IR | Withnall and Andrews, 1988 | |||
925 | vs | Ar | IR | Withnall and Andrews, 1988 | |||
819.4 | Ar | IR | Withnall and Andrews, 1988 | ||||
808.8 | Ar | IR | Withnall and Andrews, 1988 | ||||
HSiO bend | 764.5 | Ar | IR | Withnall and Andrews, 1988 | |||
757.2 | Ar | IR | Withnall and Andrews, 1988 | ||||
SiOH bend | 711.0 | Ar | IR | Withnall and Andrews, 1988 | |||
707.3 | Ar | IR | Withnall and Andrews, 1988 | ||||
616.2 | Ar | IR | Withnall and Andrews, 1988 | ||||
CSiC bend | 283 | Ar | IR | Withnall and Andrews, 1988 | |||
Additional references: Jacox, 1994, page 417
Notes
vs | Very strong |
References
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), 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.
Damrauer, Simon, et al., 1991
Damrauer, R.; Simon, R.; Krempp, M.,
Effect of Substituents on the Gas-Phase Acidity of Silanols,
J. Am. Chem. Soc., 1991, 113, 12, 4431, https://doi.org/10.1021/ja00012a009
. [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
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References
- 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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