H2SiO

• Formula: H₂OSi
• Molecular weight: 46.1008
• CAS Registry Number: 22755-01-7
• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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

HOSi^- +  = H₂OSi

By formula: HOSi^- + H⁺ = H₂OSi

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

De-protonation reactions

HOSi^- +  = H₂OSi

By formula: HOSi^- + H⁺ = H₂OSi

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, 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 145; Jacox, 1998, page 226; Bailleux, Bogey, et al., 1994; Bogey, Delcroix, et al., 1996

References

Go To: Top, Reaction thermochemistry data, 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.

Gronert, O'Hair, et al., 1990
Gronert, S.; O'Hair, R.A.J.; Prodnuk, S.; Suzle, D.; Damrauer, R.; DePuy, C.H., Gas-Phase Chemistry of the Silaformyl Anion, HSiO-, J. Am. Chem. Soc., 1990, 112, 3, 997, https://doi.org/10.1021/ja00159a016 . [all data]

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]

Withnall and Andrews, 1985
Withnall, R.; Andrews, L., Infrared spectroscopic evidence for silicon-oxygen double bonds: silanone and the silanoic and silicic acid molecules, J. Am. Chem. Soc., 1985, 107, 8, 2567, https://doi.org/10.1021/ja00294a070 . [all data]

Withnall and Andrews, 1985, 2
Withnall, R.; Andrews, L., Matrix reactions of silane and oxygen atoms. Infrared spectroscopic evidence for the silanol, silanone, and silanoic and silicic acid molecules, J. Phys. Chem., 1985, 89, 15, 3261, https://doi.org/10.1021/j100261a019 . [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, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Bailleux, Bogey, et al., 1994
Bailleux, S.; Bogey, M.; Demuynck, C.; Destombes, J.-L.; Walters, A., Millimeter-wave rotational spectrum of H2SiO, J. Chem. Phys., 1994, 101, 4, 2729, https://doi.org/10.1063/1.467654 . [all data]

Bogey, Delcroix, et al., 1996
Bogey, M.; Delcroix, B.; Walters, A.; Guillemin, J.-C., Experimentally Determined Structure of H2SiO by Rotational Spectroscopy and Isotopic Substitution, J. Mol. Spectrosc., 1996, 175, 2, 421, https://doi.org/10.1006/jmsp.1996.0048 . [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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