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Silane, dimethyl-


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
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C2H8Si+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
10.3PEPotzinger, Ritter, et al., 1975LLK
11.2PERoberge, Sandorfy, et al., 1978Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3Si+14.0?EILango, Szepes, et al., 1984LBLHLM
CH3Si+14.00 ± 0.15?EIPotzinger and Lampe, 1970RDSH
CH4Si+10.63 ± 0.03CH4PIShin, Corderman, et al., 1990LL
CH4Si+11.0CH3+H/CH4EILango, Szepes, et al., 1984LBLHLM
CH4Si+11.1 ± 0.1CH4EIPotzinger, Ritter, et al., 1975LLK
CH4Si+10.85 ± 0.05?EIPotzinger and Lampe, 1970RDSH
CH5Si+11.5CH3EILango, Szepes, et al., 1984LBLHLM
CH5Si+11.5 ± 0.1CH3EIPotzinger, Ritter, et al., 1975LLK
CH5Si+11.51 ± 0.05CH3EIPotzinger and Lampe, 1970RDSH
C2H6Si+10.41 ± 0.03H2PIShin, Corderman, et al., 1990LL
C2H6Si+10.9H2EILango, Szepes, et al., 1984LBLHLM
C2H6Si+10.7 ± 0.1H2EIPotzinger, Ritter, et al., 1975LLK
C2H6Si+10.71 ± 0.05H2EIPotzinger and Lampe, 1970RDSH
C2H7Si+10.78 ± 0.05HPIShin, Corderman, et al., 1990LL
C2H7Si+11.1HEILango, Szepes, et al., 1984LBLHLM
C2H7Si+11.1 ± 0.1HEIPotzinger, Ritter, et al., 1975LLK
C2H7Si+11.12 ± 0.05HEIPotzinger and Lampe, 1970RDSH
C2H7Si+11.94 ± 0.04HEIHess, Lampe, et al., 1965RDSH
C2H8Si+10.7?EILango, Szepes, et al., 1984LBLHLM
Si+14.5?EILango, Szepes, et al., 1984LBLHLM

De-protonation reactions

C2H7Si- + Hydrogen cation = Silane, dimethyl-

By formula: C2H7Si- + H+ = C2H8Si

Quantity Value Units Method Reference Comment
Deltar1594. ± 8.8kJ/molD-EABrinkman, Berger, et al., 1994gas phase; B
Deltar1610. ± 17.kJ/molG+TSDamrauer, Kass, et al., 1988gas phase; Between furan and methanol.; B
Quantity Value Units Method Reference Comment
Deltar1561. ± 9.2kJ/molH-TSBrinkman, Berger, et al., 1994gas phase; B
Deltar1577. ± 17.kJ/molIMRBDamrauer, Kass, et al., 1988gas phase; Between furan and methanol.; B

C2H7Si- + Hydrogen cation = Silane, dimethyl-

By formula: C2H7Si- + H+ = C2H8Si

Quantity Value Units Method Reference Comment
Deltar1643. ± 26.kJ/molG+TSDamrauer, Kass, et al., 1988gas phase; Between Me2NH and fluorobenzene; B
Quantity Value Units Method Reference Comment
Deltar1607. ± 25.kJ/molIMRBDamrauer, Kass, et al., 1988gas phase; Between Me2NH and fluorobenzene; 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]

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]

Lango, Szepes, et al., 1984
Lango, J.; Szepes, L.; Csaszar, P.; Innorta, G., Studies on the unimolecular decomposition processes of organometallic ions, J. Organomet. Chem., 1984, 269, 133. [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]

Brinkman, Berger, et al., 1994
Brinkman, E.A.; Berger, S.; Brauman, J.I., alpha-Silyl-substituent stabilization of carbanions and silyl anions, J. Am. Chem. Soc., 1994, 116, 18, 8304, https://doi.org/10.1021/ja00097a042 . [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]


Notes

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