Hypoiodous acid
- Formula: HIO
- Molecular weight: 143.9118
- IUPAC Standard InChI: InChI=1S/HIO/c1-2/h2H
- IUPAC Standard InChIKey: GEOVEUCEIQCBKH-UHFFFAOYSA-N
- CAS Registry Number: 14332-21-9
- Chemical structure:
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, 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: John E. Bartmess
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
IO- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 353.8 ± 2.0 | kcal/mol | D-EA | Gilles, Polak, et al., 1991 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 347.3 ± 2.1 | kcal/mol | H-TS | Gilles, Polak, et al., 1991 | gas phase |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, References, Notes
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
LL - Sharon G. Lias and Joel F. Liebman
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.811 ± 0.020 | PI | Monks, Stief, et al., 1995 | LL |
De-protonation reactions
IO- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 353.8 ± 2.0 | kcal/mol | D-EA | Gilles, Polak, et al., 1991 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 347.3 ± 2.1 | kcal/mol | H-TS | Gilles, Polak, et al., 1991 | gas phase; B |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gilles, Polak, et al., 1991
Gilles, M.K.; Polak, M.L.; Lineberger, W.C.,
Photoelectron Spectroscopy of IO-,
J. Chem. Phys., 1991, 95, 6, 4723, https://doi.org/10.1063/1.461746
. [all data]
Monks, Stief, et al., 1995
Monks, P.S.; Stief, L.J.; Tardy, D.C.; Liebman, J.F.; Zhang, Z.; Kuo, S.-C.; Klemm, R.B.,
Discharge flow-photoionization mass spectrometric study of HOI: Photoionization efficiency spectrum and ionization energy,
J. Phys. Chem., 1995, 99, 16566. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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