Methyl radical
- Formula: CH3
- Molecular weight: 15.0345
- IUPAC Standard InChIKey: WCYWZMWISLQXQU-UHFFFAOYSA-N
- CAS Registry Number: 2229-07-4
- Chemical structure:
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Reaction thermochemistry data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Robert C. Dunbar
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: Fe+ + CH3 = (Fe+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 240. ± 13. | kJ/mol | CIDT | Fisher, Schultz, et al., 1989 | |
ΔrH° | 238. ± 6.7 | kJ/mol | CIDT | Fisher, Schultz, et al., 1989 | |
ΔrH° | 242. ± 10. | kJ/mol | CIDT | Schultz, Elkind, et al., 1988 |
By formula: Ni+ + CH3 = (Ni+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 189. ± 13. | kJ/mol | CIDT | Fisher, Sunderlin, et al., 1989 | |
ΔrH° | 188. ± 10. | kJ/mol | CIDT | Georgiadis, Fisher, et al., 1989 |
By formula: Co+ + CH3 = (Co+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 204. ± 13. | kJ/mol | CIDT | Fisher, Sunderlin, et al., 1989 | |
ΔrH° | 205. ± 15. | kJ/mol | CIDT | Georgiadis, Fisher, et al., 1989 |
By formula: (Si+ • 2CH3) + CH3 = (Si+ • 3CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 513. ± 25. | kJ/mol | CIDT,BIRD | Lin, Dunbar, et al., 1996 |
By formula: (Si+ • 3CH3) + CH3 = (Si+ • 4CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.5 ± 5.9 | kJ/mol | CIDT,BIRD | Lin, Dunbar, et al., 1996 |
By formula: (Si+ • CH3) + CH3 = (Si+ • 2CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 123. ± 50. | kJ/mol | CIDT,BIRD | Lin, Dunbar, et al., 1996 |
By formula: Si+ + CH3 = (Si+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 413. ± 5.9 | kJ/mol | CIDT,BIRD | Lin, Dunbar, et al., 1996 |
By formula: La+ + CH3 = (La+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 231. ± 15. | kJ/mol | CIDT | Sunderlin and Armentrout, 1989 |
By formula: Y+ + CH3 = (Y+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 249. ± 4.6 | kJ/mol | CIDT | Sunderlin and Armentrout, 1989 |
By formula: Lu+ + CH3 = (Lu+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 190. ± 20. | kJ/mol | CIDT | Sunderlin and Armentrout, 1989 |
By formula: Cu+ + CH3 = (Cu+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 124. ± 7.1 | kJ/mol | CIDT | Georgiadis, Fisher, et al., 1989 |
By formula: Cr+ + CH3 = (Cr+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 126. ± 9.6 | kJ/mol | CIDT | Georgiadis and Armentrout, 1989 |
By formula: Mn+ + CH3 = (Mn+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 215. ± 16. | kJ/mol | CIDT | Georgiadis and Armentrout, 1989, 2 |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Fisher, Schultz, et al., 1989
Fisher, E.R.; Schultz, r.H.; Armentrout, P.B.,
Guided Ion Beam Studies of the State - Specific Reactions of Fe+(6D,4F) with CH3X (X = Cl, Br, I),
J. Phys. Chem., 1989, 93, 21, 7382, https://doi.org/10.1021/j100358a027
. [all data]
Schultz, Elkind, et al., 1988
Schultz, R.H.; Elkind, J.L.; Armentrout, P.B.,
Electronic Effects in C-H and C-C Bond Activation: State-Specific Reactions of Fe+(6D,4F) with Methane, Ethane and Propane,
J. Am. Chem. Soc., 1988, 110, 2, 411, https://doi.org/10.1021/ja00210a017
. [all data]
Fisher, Sunderlin, et al., 1989
Fisher, E.R.; Sunderlin, L.S.; Armentrout, P.B.,
Guided Ion Beam Studies of the Reactions of CO+ and Ni+ with CH3X (X=Cl, Br, I). Implications for the Metal-Methyl Ion Bond Energies,
J. Phys. Chem., 1989, 93, 21, 7375, https://doi.org/10.1021/j100358a026
. [all data]
Georgiadis, Fisher, et al., 1989
Georgiadis, R.; Fisher, E.R.; Armentrout, P.B.,
Neutral and Ionic Metal-Hydrogen and Metal-Carbon Bond Energies: Reactions of Co+, Ni+, and Cu+ with Ethane, Propane, Methylpropane, and Dimethylpropane,
J. Am. Chem. Soc., 1989, 111, 12, 4251, https://doi.org/10.1021/ja00194a016
. [all data]
Lin, Dunbar, et al., 1996
Lin, C.-Y.; Dunbar, R.C.; Haynes, C.L.; Armentrout, P.B.; Tonner, D.S.; McMahon, T.J.,
The Dissociation Thermochemistry of Tetramethylsilane Ion. Comparative Determination by Thermal Dissociation and Threshold Collisional Dissociation,
J. Phys. Chem., 1996, 100, 50, 19659, https://doi.org/10.1021/jp962523s
. [all data]
Sunderlin and Armentrout, 1989
Sunderlin, L.S.; Armentrout, P.B.,
Periodic Trends in Chemical Reactivity: Reactions of Sc+, Y+, La+, and Lu+ with Methane and Ethane,
J. Am. Chem. Soc., 1989, 111, 11, 3845, https://doi.org/10.1021/ja00193a015
. [all data]
Georgiadis and Armentrout, 1989
Georgiadis, R.; Armentrout, P.B.,
Reactions of Ground State Cr+ with C2H6, C2H4, cyclo-C3H6, and cyclo-C2H4O: Bond Energies for CrCHn+ (n= 1-3),
Int. J. Mass Spectrom. Ion Proc., 1989, 89, 2-3, 227, https://doi.org/10.1016/0168-1176(89)83062-9
. [all data]
Georgiadis and Armentrout, 1989, 2
Georgiadis, R.; Armentrout, P.B.,
Translational and Electronic Energy Dependence of the Reaction of Mn+ with Ethane,
Int. J. Mass Spectrom. Ion Proc., 1989, 91, 2, 123, https://doi.org/10.1016/0168-1176(89)83003-4
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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