Bromine anion
- Formula: Br-
- Molecular weight: 79.905
- IUPAC Standard InChI: InChI=1S/BrH/h1H/p-1
- IUPAC Standard InChIKey: CPELXLSAUQHCOX-UHFFFAOYSA-M
- CAS Registry Number: 24959-67-9
- Chemical structure:
This structure is also available as a 2d Mol file - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 100, reactions 101 to 150, reactions 151 to 185
- Ion clustering data
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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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°gas,1 bar | 39.075 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1982 |
Gas phase ion energetics data
Go To: Top, Gas phase 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 by: John E. Bartmess
Protonation reactions
+
=
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 323.540 ± 0.050 | kcal/mol | D-EA | Blondel, Cacciani, et al., 1989 | gas phase; reported: 27129.170±0.015 cm-1 |
| ΔrH° | 323.4 ± 2.1 | kcal/mol | G+TS | Taft and Bordwell, 1988 | gas phase |
| ΔrH° | 320.60 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; F-; ; ΔS(acid)=19.2; ΔS(EA)=6.4 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 318.30 ± 0.15 | kcal/mol | H-TS | Blondel, Cacciani, et al., 1989 | gas phase; reported: 27129.170±0.015 cm-1 |
| ΔrG° | 318.2 ± 2.0 | kcal/mol | IMRE | Taft and Bordwell, 1988 | gas phase |
| ΔrG° | 315.40 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; F-; ; ΔS(acid)=19.2; ΔS(EA)=6.4 |
References
Go To: Top, Gas phase 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.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Blondel, Cacciani, et al., 1989
Blondel, C.; Cacciani, P.; Delsart, C.; Trainham, R.,
High Resolution Determination of the Electron Affinity of Fluorine and Bromine using Crossed Ion and Laser Beams,
Phys. Rev. A, 1989, 40, 7, 3698, https://doi.org/10.1103/PhysRevA.40.3698
. [all data]
Taft and Bordwell, 1988
Taft, R.W.; Bordwell, F.G.,
Structural and Solvent Effects Evaluated from Acidities Measured in Dimethyl Sulfoxide and in the Gas Phase,
Acc. Chem. Res., 1988, 21, 12, 463, https://doi.org/10.1021/ar00156a005
. [all data]
Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S.,
Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements,
J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) 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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