Hexamethyldisilazane

• Formula: C₆H₁₉NSi₂
• Molecular weight: 161.3928
• IUPAC Standard InChI: InChI=1S/C6H19NSi2/c1-8(2,3)7-9(4,5)6/h7H,1-6H3 Copy

  
• IUPAC Standard InChIKey: FFUAGWLWBBFQJT-UHFFFAOYSA-N Copy
• CAS Registry Number: 999-97-3
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Species with the same structure:
  • 1,1,1,3,3,3-hexamethyldisilazane
• Other names: Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-; Disilazane, 1,1,1,3,3,3-hexamethyl-; Bis(trimethylsilyl)amine; 1,1,1,3,3,3-Hexamethyldisilazane; ((CH3)3Si)2NH; HMDS; OAP; Trimethyl-N-(trimethylsilyl)silanamine; 1,1,1-Trimethyl-N-(trimethylsilyl)silanamine; NSC 93895; SZ 6079; TSL 8802
• Information on this page:
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
  • Gas Chromatography
• Options:
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Gas phase ion energetics data

Go To: Top, Mass spectrum (electron ionization), References, Notes

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
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

Ionization energy determinations

De-protonation reactions

C₆H₁₈NSi₂^- +  =

By formula: C₆H₁₈NSi₂^- + H⁺ = C₆H₁₉NSi₂

Mass spectrum (electron ionization)

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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Gas phase ion energetics data, 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.

Molder, Pikver, et al., 1983
Molder, U.H.; Pikver, R.J.; Koppel, I.A., Photoelectron spectra of molecules. 4. Amines, Org. React. Tartu, 1983, 20, 355. [all data]

Harris, Lappert, et al., 1976
Harris, D.H.; Lappert, M.F.; Pedley, J.B.; Sharp, G.J., Bonding studies of compounds of group 3-5 elements. Part XVIII. He(I) photoelectron spectra of bivalent homoleptic alkyls and amides, especially of group 4 elements, and of tin(II) chloride and bromide, J. Chem. Soc. Dalton Trans., 1976, 945. [all data]

Starzewski, Dieck, et al., 1974
Starzewski, K.A.O.; Dieck, H.T.; Bock, H., Photoelectron spectra molecular properties. XXIII. Photoelectron spectra of silicon-substituted ylidic systems, J. Organomet. Chem., 1974, 65, 311. [all data]

Grimm and Bartmess, 1992
Grimm, D.T.; Bartmess, J.E., The Intrinsic (Gas Phase) Basicity of some Anions Commonly Used in Condensed-Phase Synthesis, J. Am. Chem. Soc., 1992, 114, 4, 1227, https://doi.org/10.1021/ja00030a016 . [all data]

Notes

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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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