Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Trimethylsilane


Gas phase ion energetics data

Go To: Top, 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 - J.E. Bartmess
LLK - S.G. Lias, R.D. Levin, and S.A. Kafafi
RDSH - H.M. Rosenstock, K. Draxl, B.W. Steiner, and J.T. Herron
LL - S.G. Lias and J.F. Liebman

Ionization energy determinations

IE (eV)MethodReferenceComment
9.9PEPotzinger, Ritter, et al., 1975LLK
10.11PIConnor, Haszeldine, et al., 1967RDSH
9.8 ± 0.3EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
10.8PERoberge, Sandorfy, et al., 1978Vertical value; LLK

Appearance energy determinations

IonAE (eV)Other ProductsMethodReferenceComment
CHSi+11.7 ± 0.5?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
CH2Si+10.6 ± 0.3?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
CH3+14.8 ± 0.5?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
CH3Si+13.40 ± 0.10?EIPotzinger and Lampe, 1970RDSH
CH3Si+12.4 ± 0.3?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
CH4Si+11.0 ± 0.3?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
CH5Si+12.8 ± 0.5?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
C2H3+15.3 ± 0.5?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
C2H6Si+10.03 ± 0.05CH4PIShin, Corderman, et al., 1990LL
C2H6Si+10.5 ± 0.1CH4EIPotzinger, Ritter, et al., 1975LLK
C2H6Si+10.50 ± 0.05?EIPotzinger and Lampe, 1970RDSH
C2H6Si+10.3 ± 0.2?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
C2H7Si+10.71 ± 0.05CH3PIShin, Corderman, et al., 1990LL
C2H7Si+10.9 ± 0.1CH3EIPotzinger, Ritter, et al., 1975LLK
C2H7Si+10.91 ± 0.05CH3EIPotzinger and Lampe, 1970RDSH
C2H7Si+11.70 ± 0.06CH3EIHess, Lampe, et al., 1965RDSH
C3H9Si+10.24 ± 0.05HPIShin, Corderman, et al., 1990LL
C3H9Si+10.5 ± 0.1HEIPotzinger, Ritter, et al., 1975LLK
C3H9Si+10.52 ± 0.05HEIPotzinger and Lampe, 1970RDSH
C3H9Si+10.6 ± 0.1HEIBand, Davidson, et al., Commun. 1967RDSH
C3H9Si+10.7 ± 0.1HEIConnor, Finney, et al., 1966RDSH
C3H9Si+10.78 ± 0.07HEIHess, Lampe, et al., 1964RDSH
SiH+14.2 ± 0.2?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
SiH3+14.3 ± 0.5?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH
Si+13.7 ± 0.3?EIHobrock and Kiser, 1962Personal communication from R.M. Reese and V.H. Dibeler; RDSH

De-protonation reactions

C3H9Si- + Hydrogen cation = Trimethylsilane

By formula: C3H9Si- + H+ = C3H10Si

QuantityValueUnitsMethodReferenceComment
Deltar1614. ± 9.2kJ/molD-EAWetzel, Salomon, et al., 1989gas phase; B
Deltar1607. ± 17.kJ/molG+TSDamrauer, Kass, et al., 1988gas phase; Between furan and methanol.; B
QuantityValueUnitsMethodReferenceComment
Deltar1584. ± 9.6kJ/molH-TSWetzel, Salomon, et al., 1989gas phase; B
Deltar1577. ± 17.kJ/molIMRBDamrauer, Kass, et al., 1988gas phase; Between furan and methanol.; B
Deltar1565. ± 13.kJ/molIMRBGrimm and Bartmess, 1992gas phase; B
Deltar>1569. ± 13.kJ/molIMRBWetzel, Salomon, et al., 1989gas phase; B

References

Go To: Top, 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.

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]

Connor, Haszeldine, et al., 1967
Connor, J.A.; Haszeldine, R.N.; Leigh, G.J.; Sedgwick, R.D., Organosilicon chemistry. Part II. The thermal decomposition of hexamethyldisilane, the Me3Si-SiMe3 bond dissociation energy, and the ionisation potential of the trimethylsilyl radical, J. Chem. Soc. A, 1967, 768. [all data]

Hobrock and Kiser, 1962
Hobrock, B.G.; Kiser, R.W., Electron impact spectroscopy of tetramethylgermanium, trimethylsilane, and dimethylmercury, J. Phys. Chem., 1962, 66, 155. [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]

Potzinger and Lampe, 1970
Potzinger, P.; Lampe, F.W., Thermochemistry of simple alkylsilanes, J. Phys. Chem., 1970, 74, 719. [all data]

Shin, Corderman, et al., 1990
Shin, S.K.; Corderman, R.R.; Beauchamp, J.L., Photoionization mass spectrometric studies of the methylsilanes Si(CH3)nH4-n (n = 0-3), Int. J. Mass Spectrom. Ion Processes, 1990, 101, 257. [all data]

Hess, Lampe, et al., 1965
Hess, G.G.; Lampe, F.W.; Sommer, L.H., An electron impact study of ionization and dissociation of trimethylsilanes, J. Am. Chem. Soc., 1965, 87, 5327. [all data]

Band, Davidson, et al., Commun. 1967
Band, S.J.; Davidson, I.M.T.; Lambert, C.A.; Stephenson, I.L., Bond dissociation energies and heats of formation of trimethylsilyl compounds, Chem., Commun. 1967, 723. [all data]

Connor, Finney, et al., 1966
Connor, J.A.; Finney, G.; Leigh, G.J.; Haszeldine, R.N.; Robinson, P.J.; Sedgwick, R.D.; Simmons, R.F., Bond dissociation energies in organosilicon compounds, Chem. Commun., 1966, 178. [all data]

Hess, Lampe, et al., 1964
Hess, G.G.; Lampe, F.W.; Sommer, L.H., Bond dissociation energies and ion energetics in organosilicon compounds by electron impact, J. Am. Chem. Soc., 1964, 86, 3174. [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. [doi: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. [doi:10.1021/om00093a011] [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. [doi:10.1021/ja00030a016] [all data]


Notes

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