F3SiCH2 anion


Reaction 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: John E. Bartmess

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Individual Reactions

CH2F3Si- + Hydrogen cation = Silane, trifluoromethyl-

By formula: CH2F3Si- + H+ = CH3F3Si

Quantity Value Units Method Reference Comment
Δr1542. ± 16.kJ/molG+TSAllison and McMahon, 1990gas phase; Between acetone and acetaldehyde. In conflict with Campanaro, Marvin, et al., 1988
Δr1555. ± 19.kJ/molG+TSCampanaro, Marvin, et al., 1988gas phase; Between HF and acetone
Quantity Value Units Method Reference Comment
Δr1508. ± 16.kJ/molIMRBAllison and McMahon, 1990gas phase; Between acetone and acetaldehyde. In conflict with Campanaro, Marvin, et al., 1988
Δr1522. ± 19.kJ/molIMRBCampanaro, Marvin, et al., 1988gas phase; Between HF and acetone

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 by: John E. Bartmess

Protonation reactions

CH2F3Si- + Hydrogen cation = Silane, trifluoromethyl-

By formula: CH2F3Si- + H+ = CH3F3Si

Quantity Value Units Method Reference Comment
Δr1542. ± 16.kJ/molG+TSAllison and McMahon, 1990gas phase; Between acetone and acetaldehyde. In conflict with Campanaro, Marvin, et al., 1988
Δr1555. ± 19.kJ/molG+TSCampanaro, Marvin, et al., 1988gas phase; Between HF and acetone
Quantity Value Units Method Reference Comment
Δr1508. ± 16.kJ/molIMRBAllison and McMahon, 1990gas phase; Between acetone and acetaldehyde. In conflict with Campanaro, Marvin, et al., 1988
Δr1522. ± 19.kJ/molIMRBCampanaro, Marvin, et al., 1988gas phase; Between HF and acetone

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.

Allison and McMahon, 1990
Allison, C.E.; McMahon, T.B., How Strong is the Si=C Bond in Fluoro- and Methyl Substituted Silaethylenes? An Experimental Determination of Pi Bond Strengths, J. Am. Chem. Soc., 1990, 112, 5, 1672, https://doi.org/10.1021/ja00161a002 . [all data]

Campanaro, Marvin, et al., 1988
Campanaro, A.; Marvin, C.H.; Morehouse, S.P.; McMahon, T.B., A Gas-phase Anionic Analog of the Wittig Reaction. An Ion Cyclotron Resonance Study of the Gas Phase Ion Chemistry of Silyl Carbanions., Org. Mass Spectrom., 1988, 23, 9, 663, https://doi.org/10.1002/oms.1210230907 . [all data]


Notes

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