Hypobromous acid
- Formula: BrHO
- Molecular weight: 96.911
- IUPAC Standard InChI: InChI=1S/BrHO/c1-2/h2H
- IUPAC Standard InChIKey: CUILPNURFADTPE-UHFFFAOYSA-N
- CAS Registry Number: 13517-11-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Gas phase ion energetics data
Go To: Top, 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 |
|---|---|---|---|
| 10.642 ± 0.005 | EVAL | Ruscic and Berkowitz, 1994 | LL |
| 10.646 ± 0.005 | TE | Ruscic and Berkowitz, 1994 | LL |
| 10.638 ± 0.003 | PI | Ruscic and Berkowitz, 1994, 2 | LL |
| 10.62 ± 0.04 | PI | Monks, Stief, et al., 1994 | LL |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| Br+ | 13.915 ± 0.018 | OH | PI | Ruscic and Berkowitz, 1994, 2 | LL |
De-protonation reactions
BrO- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 355. ± 66. | kcal/mol | Acid | Gilles, Polak, et al., 1992 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 349. ± 67. | kcal/mol | H-TS | Gilles, Polak, et al., 1992 | gas phase; B |
References
Go To: Top, 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.
Ruscic and Berkowitz, 1994
Ruscic, B.; Berkowitz, J.,
Threshold photoelectron spectrum of HOBr,
J. Chem. Phys., 1994, 101, 9215. [all data]
Ruscic and Berkowitz, 1994, 2
Ruscic, B.; Berkowitz, J.,
Experimental determination of Hf(HOBr) and ionization potentials (HOBr): Implications for corresponding properties of HOI,
J. Chem. Phys., 1994, 101, 7795. [all data]
Monks, Stief, et al., 1994
Monks, P.S.; Stief, L.J.; Krauss, M.; Kuo, S.C.; Klemm, R.B.,
A discharge flow-photoionization mass spectrometric study of HOBr (X<1>A'): Photoion yield spectrum, ionization energy, and thermochemistry,
J. Chem. Phys., 1994, 100, 1902. [all data]
Gilles, Polak, et al., 1992
Gilles, M.K.; Polak, M.L.; Lineberger, W.C.,
Photoelectron Spectroscopy of the Halogen Oxide Anions FO-, ClO-, BrO-, IO-, OClO-, and OIO-,
J. Chem. Phys., 1992, 96, 11, 8012, https://doi.org/10.1063/1.462352
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.