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Silane, difluorodimethyl-


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 - J.E. Bartmess
LLK - S.G. Lias, R.D. Levin, and S.A. Kafafi

Ionization energy determinations

IE (eV)MethodReferenceComment
11.03 ± 0.03PIMurphy and Beauchamp, 1977LLK
11.5PERoberge, Sandorfy, et al., 1978Vertical value; LLK

Appearance energy determinations

IonAE (eV)Other ProductsMethodReferenceComment
CH3F2Si+11.70 ± 0.03CH3PIMurphy and Beauchamp, 1977LLK

De-protonation reactions

C2H5F2Si- + Hydrogen cation = Silane, difluorodimethyl-

By formula: C2H5F2Si- + H+ = C2H6F2Si

QuantityValueUnitsMethodReferenceComment
Deltar380.0 ± 4.6kcal/molG+TSAllison and McMahon, 1990gas phase; Between PhCH3, HCF3; B
QuantityValueUnitsMethodReferenceComment
Deltar371.5 ± 4.5kcal/molIMRBAllison and McMahon, 1990gas phase; Between PhCH3, HCF3; 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.

Murphy and Beauchamp, 1977
Murphy, M.K.; Beauchamp, J.L., Photoionization mass spectrometry of the fluoromethylsilanes (CH3)n F4-nSi (n = 1-4), J. Am. Chem. Soc., 1977, 99, 2085. [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]

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. [doi:10.1021/ja00161a002] [all data]


Notes

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