Silane, methylenebis[trimethyl-

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Condensed phase 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: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid123.3cal/mol*KN/AGuseinov and Karasharli, 1982 
liquid123.30cal/mol*KN/AGuseinov, Karasharli, et al., 1975 

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
85.44298.15Guseinov and Karasharli, 1982T = 12 to 300 K.
85.449298.15Guseinov, Karasharli, et al., 1975T = 10 to 300 K. Data given graphically.

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

Ionization energy determinations

IE (eV) Method Reference Comment
9.5PEHosomi and Traylor, 1975Vertical value; LLK

De-protonation reactions

C7H19Si2- + Hydrogen cation = Silane, methylenebis[trimethyl-

By formula: C7H19Si2- + H+ = C7H20Si2

Quantity Value Units Method Reference Comment
Δr373.6 ± 2.2kcal/molG+TSRomer, Gatev, et al., 1998gas phase; B
Δr373.6 ± 4.0kcal/molD-EABrinkman, Berger, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr365.9 ± 2.0kcal/molIMRERomer, Gatev, et al., 1998gas phase; B
Δr365.8 ± 4.1kcal/molH-TSBrinkman, Berger, et al., 1994gas phase; B

References

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

Guseinov and Karasharli, 1982
Guseinov, Z.A.; Karasharli, K.A., Heat capacity and thermodynamic functions of hexamethyldisilylmethane, Azerb. Khim. Zhur., 1982, (4), 107-109. [all data]

Guseinov, Karasharli, et al., 1975
Guseinov, Z.A.; Karasharli, K.A.; Dzhafarov, O.I.; Nurullaev, G.G.; Nametkin, N.S.; Gusel'nikov, L.E.; Volnina, F.A.; Burdasov, E.N.; Vdovin, V.M., Thermodynamic parameters of some cyclic and bridging carbosilanes, Dokl.Akad. Nauk, 1975, SSSR 222, 1369-1372. [all data]

Hosomi and Traylor, 1975
Hosomi, A.; Traylor, T.G., Studies of interactions of adjacent carbon-metal σ bonds by photoelectron spectroscopy, J. Am. Chem. Soc., 1975, 97, 3682. [all data]

Romer, Gatev, et al., 1998
Romer, B.; Gatev, G.G.; Zhong, M.; Brauman, J.I., Alpha-Stabilization by Silyl and Phosphino Substitution, J. Am. Chem. Soc., 1998, 120, 12, 2919, https://doi.org/10.1021/ja970279s . [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]


Notes

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