HCCHO radical
- Formula: C2H2O
- Molecular weight: 42.0367
- CAS Registry Number: 39920-84-8
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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
View reactions leading to C2H2O+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.870 ± 0.020 | LPES | Goebbert, Khuseynov, et al., 2011 | ground state is triplet; excited triplet 1.18 eV up; no evidence of singlet state seen |
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.
Goebbert, Khuseynov, et al., 2011
Goebbert, D.J.; Khuseynov, D.; Sanov, A.,
O- + Acetaldehyde Reaction Products: Search for Singlet Formylmethylene, a Wolff Rearrangement intermediate,
J. Phys. Chem. A, 2011, 115, 15, 3208-3217, https://doi.org/10.1021/jp112331y
. [all data]
Notes
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- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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