Methyl cation
- Formula: CH3+
- Molecular weight: 15.0340
- IUPAC Standard InChI: InChI=1S/CH3/h1H3/q+1
- IUPAC Standard InChIKey: JUHDUIDUEUEQND-UHFFFAOYSA-N
- CAS Registry Number: 14531-53-4
- 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 by: John E. Bartmess
De-protonation reactions
CH2- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 409.11 ± 0.41 | kcal/mol | D-EA | Leopold, Murray, et al., 1985 | gas phase; Singlet-triplet splitting of CH2 = 9.0 kcal |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 401.42 ± 0.48 | kcal/mol | H-TS | Leopold, Murray, et al., 1985 | gas phase; Singlet-triplet splitting of CH2 = 9.0 kcal |
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.
Leopold, Murray, et al., 1985
Leopold, D.G.; Murray, K.K.; Miller, A.E.S.; Lineberger, W.C.,
Methylene: A study of the X3B1 and the 1A1 states by photoelectron spectroscopy of CH2- and CD2-,
J. Chem. Phys., 1985, 83, 4849. [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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