HCCN radical anion
- Formula: C2HN-
- Molecular weight: 39.0366
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Gas phase thermochemistry 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 69.4 ± 5.0 | kcal/mol | R-EA | Nimlos, Davico, et al., 2002 | |
| ΔfH°gas | 81. ± 10. | kcal/mol | EIAE | Hacaloglu, Suzer, et al., 1988 | From ClCH2CN, AP= 1.8 eV, assuming HCl as neutral product |
| ΔfH°gas | <100.80 | kcal/mol | IMRB | Dawson and Jennings, 1976 | O- + CH3CN ->. |
| ΔfH°gas | 73.8 ± 4.6 | kcal/mol | EIAE | Tsuda, Yokohata, et al., 1971 | From MeCN. G3MP2B3 calculations indicate an EA of ca. 2.0 eV. |
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.
Nimlos, Davico, et al., 2002
Nimlos, M.R.; Davico, G.; Geise, C.M.; Wenthold, P.G.; Lineberger, W.C.; Blanksby, S.J.; Hadad, C.M.; Petersso,
Photoelectron spectroscopy of HCCN- and HCNC- reveals the quasilinear triplet carbenes, HCCN and HCNC,
J. Chem. Phys., 2002, 117, 9, 4323-4339, https://doi.org/10.1063/1.1496473
. [all data]
Hacaloglu, Suzer, et al., 1988
Hacaloglu, J.; Suzer, S.; Oster, T.; Illenberger, E.,
Negative Ion Formation in Fluoroacetonitrile and Chloroacetonitrile following Low Energy Electron Impact,
Chem. Phys. Lett., 1988, 153, 2-3, 268, https://doi.org/10.1016/0009-2614(88)85224-2
. [all data]
Dawson and Jennings, 1976
Dawson, J.H.J.; Jennings, K.R.,
Production of gas phase radical anions by reaction of O-. Ions with organic substrates,
J. Chem. Soc. Faraday Trans. 2, 1976, 72, 700. [all data]
Tsuda, Yokohata, et al., 1971
Tsuda, S.; Yokohata, A.; Umaba, T.,
Measurement of negative ions formed by electron impact. VIII. Ionization efficiency curves of negative ions from methyl and ethyl cyanides,
Bull. Chem. Soc. Jpn., 1971, 44, 1486. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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