Silane, methyl-

• Formula: CH₆Si
• Molecular weight: 46.1438
• IUPAC Standard InChI: InChI=1S/CH6Si/c1-2/h1-2H3 Copy

  
• IUPAC Standard InChIKey: UIUXUFNYAYAMOE-UHFFFAOYSA-N Copy
• CAS Registry Number: 992-94-9
• 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: Methylsilane; Silaethane; CH3SiH3
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
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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

CH₅Si^- +  =

By formula: CH₅Si^- + H⁺ = CH₆Si

CH₅Si^- +  =

By formula: CH₅Si^- + H⁺ = CH₆Si

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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

CH₅Si^- +  =

By formula: CH₅Si^- + H⁺ = CH₆Si

CH₅Si^- +  =

By formula: CH₅Si^- + H⁺ = CH₆Si

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• GAS (22 mmHg, N2 ADDED, TOTAL PRESSURE 750 mmHg); PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm^-1 resolution
• GAS (22 mmHg, TO 750 mmHg WITH N2 DILUTION); PERKIN-ELMER 521 (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY; 2 cm^-1 resolution

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

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Gal, Decouzon, et al., 2001
Gal, J.F.; Decouzon, M.; Maria, P.C.; Gonzalez, A.I.; Mo, O.; Yanez, M.; El Chaouch, S.; Guillemin, J.C., Acidity trends in alpha,beta-unsaturated alkanes, silanes, germanes, and stannanes, J. Am. Chem. Soc., 2001, 123, 26, 6353-6359, https://doi.org/10.1021/ja004079j . [all data]

Wetzel, Salomon, et al., 1989
Wetzel, D.M.; Salomon, K.E.; Berger, S.; Brauman, J.I., Gas-Phase Acidities of Organosilanes and Electron Affinities of Organosilyl Radicals, J. Am. Chem. Soc., 1989, 111, 11, 3835, https://doi.org/10.1021/ja00193a013 . [all data]

Damrauer, Kass, et al., 1988
Damrauer, R.; Kass, S.R.; DePuy, C.H., Gas-Phase Acidities of Methylsilanes: C-H versus Si-H, Organomet., 1988, 7, 3, 637, https://doi.org/10.1021/om00093a011 . [all data]

Potzinger, Ritter, et al., 1975
Potzinger, P.; Ritter, A.; Krause, J., Massenspektrometrische Bestimmung von Bindungsenergien in siliciumorganischen Verbindungen, Z. Naturforsch. A:, 1975, 30, 347. [all data]

Roberge, Sandorfy, et al., 1978
Roberge, R.; Sandorfy, C.; Matthews, J.I.; Strausz, O.P., The far ultraviolet HeI photoelectron spectra of alkyl and fluorine substituted silane derivatives, J. Chem. Phys., 1978, 69, 5105. [all data]

Steele, Nichols, et al., 1962
Steele, W.C.; Nichols, L.D.; Stone, F.G.A., The determination of silicon-carbon and silicon-hydrogen bond dissociation energies by electron impact, J. Am. Chem. Soc., 1962, 84, 4441. [all data]

Bradshaw, Moyes, et al., 1976
Bradshaw, D.I.; Moyes, R.B.; Wells, P.B., Mass spectra of some deuterium-labelled methylsilanes the analysis of mixtures, Can. J. Chem., 1976, 54, 599. [all data]

Potzinger and Lampe, 1970
Potzinger, P.; Lampe, F.W., Ionic reactions in gaseous methylsilane, J. Phys. Chem., 1970, 74, 587. [all data]

Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  AE	Appearance energy
  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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