Ethyne, 1-trimethylsilyl-
- Formula: C2H4Si
- Molecular weight: 56.1387
- IUPAC Standard InChIKey: CWMFRHBXRUITQE-UHFFFAOYSA-N
- CAS Registry Number: 1066-27-9
- Chemical structure:
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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 |
---|---|---|---|
10.73 | PE | Ensslin, Bock, et al., 1974 | Vertical value; LLK |
De-protonation reactions
C2H3Si- + =
By formula: C2H3Si- + H+ = C2H4Si
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1538. ± 9.6 | kJ/mol | G+TS | Gal, Decouzon, et al., 2001 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1507. ± 8.4 | kJ/mol | IMRE | Gal, Decouzon, et al., 2001 | gas 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.
Ensslin, Bock, et al., 1974
Ensslin, W.; Bock, H.; Becker, G.,
Photoelectron spectra and molecular properties. XXX. π interactions in H3Si- H3C-substituted acetylenes,
J. Am. Chem. Soc., 1974, 96, 2757. [all data]
Gal, Decouzon, et al., 2001
Gal, J.F.; Decouzon, M.; Maria, P.C.; Gonzalez, A.I.; Mo, O.; Yanez, M.; El Chaouch, S.; Guillemin, J.C.,
Acidity trends in alpha,beta-unsaturated alkanes, silanes, germanes, and stannanes,
J. Am. Chem. Soc., 2001, 123, 26, 6353-6359, https://doi.org/10.1021/ja004079j
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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