Methylene
- Formula: CH2
- Molecular weight: 14.0266
- IUPAC Standard InChIKey: HZVOZRGWRWCICA-UHFFFAOYSA-N
- CAS Registry Number: 2465-56-7
- Chemical structure:
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Ion clustering 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
RCD - Robert C. Dunbar
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: (CH3- • 4294967295CH2) + CH2 = CH3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 94.98 ± 0.80 | kcal/mol | N/A | Ellison, Engelking, et al., 1978 | gas phase; B |
By formula: Co+ + CH2 = (Co+ • CH2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 75.9 ± 1.2 | kcal/mol | CIDT | Haynes and Armentrout, 1994 | RCD |
By formula: Cr+ + CH2 = (Cr+ • CH2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 53.8 ± 1.9 | kcal/mol | CIDT | Georgiadis and Armentrout, 1989 | RCD |
By formula: La+ + CH2 = (La+ • CH2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 98.2 ± 1.4 | kcal/mol | CIDT | Sunderlin and Armentrout, 1989 | RCD |
By formula: Sc+ + CH2 = (Sc+ • CH2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 98.3 ± 5.3 | kcal/mol | CIDT | Sunderlin and Armentrout, 1989 | RCD |
By formula: Y+ + CH2 = (Y+ • CH2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 95.2 ± 3.0 | kcal/mol | CIDT | Sunderlin and Armentrout, 1989 | RCD |
References
Go To: Top, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ellison, Engelking, et al., 1978
Ellison, G.B.; Engelking, P.C.; Lineberger, W.C.,
An experimental determination of the geometry and electron affinity of CH3,
J. Am. Chem. Soc., 1978, 100, 2556. [all data]
Haynes and Armentrout, 1994
Haynes, C.L.; Armentrout, P.B.,
Thermochemistry and Structures of CoC3H6+: Metallacyclic and Metal-Alkene Isomers,
Organomettalics, 1994, 13, 9, 3480, https://doi.org/10.1021/om00021a022
. [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]
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]
Notes
Go To: Top, Ion clustering 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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