HCI radical anion
- Formula: CHI-
- Molecular weight: 139.9237
- CAS Registry Number: 75466-07-8
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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 | 63.6 ± 2.9 | kcal/mol | R-EA | Gilles, Ervin, et al., 1992 | Triplet state of neutral is 2 to 10 kcal/mol MORE stable than singlet (EA is for singlet) |
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.
Gilles, Ervin, et al., 1992
Gilles, M.K.; Ervin, K.M.; Ho, J.; Lineberger, W.C.,
Negative Ion Photoelectron Spectroscopy of HCF-, HCCl-, HCBr-, and HCI- - Photoelectron Angular Distributions and Neutral Triplet Excitation,
J. Phys. Chem., 1992, 96, 3, 1130, https://doi.org/10.1021/j100182a021
. [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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