Silane, tetraphenyl-

• Formula: C₂₄H₂₀Si
• Molecular weight: 336.5011
• IUPAC Standard InChI: InChI=1S/C24H20Si/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22,23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H Copy

  
• IUPAC Standard InChIKey: JLAVCPKULITDHO-UHFFFAOYSA-N Copy
• CAS Registry Number: 1048-08-4
• 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: Tetraphenylsilane; Tetraphenylsilicon
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Reduced pressure boiling point

Enthalpy of sublimation

Gas phase ion energetics data

Go To: Top, Phase change 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 as indicated in comments:
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

Appearance energy determinations

References

Go To: Top, Phase change data, Gas phase ion energetics data, Notes

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

Hance and Hauser, 1952
Hance, C.R.; Hauser, C.R., Cleavage of Tetraphenylsiland and Benzyltriphenylsilane by Potassium Amide, J. Am. Chem. Soc., 1952, 74, 1856. [all data]

Smith and Andrews, 1931
Smith, R.H.; Andrews, D.H., Thermal Energy Studies II. Phenyl Derivatives of Metals, J. Am. Chem. Soc., 1931, 53, 3661-7. [all data]

Steele, 1978
Steele, W.V., The standard enthalpy of formation of tetraphenylsilane and the Ph«58872»M mean bond-dissociation energies of the Group IV elements, The Journal of Chemical Thermodynamics, 1978, 10, 5, 445-452, https://doi.org/10.1016/0021-9614(78)90092-7 . [all data]

Calle and Kana'an, 1974
Calle, Luz M.; Kana'an, Adli S., Enthalpies and entropies of sublimation of tetraphenyl silane and hexaphenyl disilane. The bond dissociation energies of Si«58872»C and Si«58872»Si, The Journal of Chemical Thermodynamics, 1974, 6, 10, 935-942, https://doi.org/10.1016/0021-9614(74)90214-6 . [all data]

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

McCauley and Smith, 1973
McCauley, James A.; Smith, Norman O., Sublimation pressures of solid solutions IV. (C6H5)4Si + (C6H5)4Sn, (C6H5)4Si + (C6H5)4Pb, and NH4Br + KBr, The Journal of Chemical Thermodynamics, 1973, 5, 1, 31-40, https://doi.org/10.1016/S0021-9614(73)80060-6 . [all data]

Novak and Potts, 1984
Novak, I.; Potts, A.W., The UV gas-phase photoelectron spectra of Group IVB tetraphenyl derivatives, J. Organomet. Chem., 1984, 262, 17. [all data]

Rodionov, Potapov, et al., 1973
Rodionov, A.N.; Potapov, V.K.; Rogozhin, K.L., Photoionization of certain aromatic heteroorganic compounds, High Energy Chem., 1973, 7, 249, In original 278. [all data]

Gaidis, Briggs, et al., 1971
Gaidis, J.M.; Briggs, P.R.; Shannon, T.W., Mass spectra of disilanes. Phenyl-silicon interaction and silicon-silicon bond strength, J. Phys. Chem., 1971, 75, 974. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  AE	Appearance energy
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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