potassium bromide
- Formula: BrK
- Molecular weight: 119.002
- IUPAC Standard InChI: InChI=1S/BrH.K/h1H;/q;+1/p-1
- IUPAC Standard InChIKey: IOLCXVTUBQKXJR-UHFFFAOYSA-M
- CAS Registry Number: 7758-02-3
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, Ion clustering data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 7.9 ± 0.1 | eV | N/A | N/A | L |
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.642 ± 0.010 | LPES | Miller, Leopold, et al., 1986 | B |
| 0.610004 | NBAE | De Vreugd, Wijnaendts van Resandt, et al., 1979 | B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.85 | EVAL | Huber and Herzberg, 1979 | LLK |
| 7.9 ± 0.1 | PE | Potts and Price, 1977 | LLK |
| 7.9 ± 0.1 | PE | Potts, Williams, et al., 1974 | LLK |
| 8.82 ± 0.04 | PE | Potts and Price, 1977 | Vertical value; LLK |
| 8.1 | PE | Goodman, Allen, et al., 1974 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| K+ | 25.36 ± 0.04 | Br(-) | PE | Potts and Price, 1977 | LLK |
| K+ | 25.04 ± 0.04 | Br(-) | PE | Potts and Price, 1977 | Vertical value; LLK |
Ion clustering 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
+
= (
•
)
By formula: K+ + BrK = (K+ • BrK)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 174. | kJ/mol | MS | Kudin, Gusarov, et al., 1973 | gas phase; Knudsen cell |
| ΔrH° | 171. | kJ/mol | MS | Chupka, 1959 | gas phase; Knudsen cell |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 95.4 | J/mol*K | MS | Chupka, 1959 | gas phase; Knudsen cell |
References
Go To: Top, Gas phase ion energetics data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Miller, Leopold, et al., 1986
Miller, T.M.; Leopold, D.G.; Murray, K.K.; Lineberger, W.C.,
Electron Affinities of the Alkali Halides and the Structure of their Negative Ions,
J. Chem. Phys., 1986, 85, 5, 2368, https://doi.org/10.1063/1.451091
. [all data]
De Vreugd, Wijnaendts van Resandt, et al., 1979
De Vreugd, C.; Wijnaendts van Resandt, R.W.; Los, J.; Smith, B.,
Differential Cross Sections for Collisions of Negative Halogen Ions and Alkali Atoms,
Chem. Phys., 1979, 42, 3, 305, https://doi.org/10.1016/0301-0104(79)80078-6
. [all data]
Huber and Herzberg, 1979
Huber, K.P.; Herzberg, G.,
Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules,, Van Nostrand Reinhold Co., 1979, ,1. [all data]
Potts and Price, 1977
Potts, A.W.; Price, W.C.,
Photoelectron studies of ionic materials using molecular beam techniques,
Phys. Scr., 1977, 16, 191. [all data]
Potts, Williams, et al., 1974
Potts, A.W.; Williams, T.A.; Price, W.C.,
Photoelectron spectra and electronic structure of diatomic alkali halides,
Proc. Roy. Soc. London A, 1974, 341, 147. [all data]
Goodman, Allen, et al., 1974
Goodman, T.D.; Allen, J.D., Jr.; Cusachs, L.C.; Schweitzer, G.K.,
The photoelectron spectra of gaseous alkali halides,
J. Electron Spectrosc. Relat. Phenom., 1974, 3, 289. [all data]
Kudin, Gusarov, et al., 1973
Kudin, L.S.; Gusarov, A.V.; Gorokhov, L.N.,
Mass Spectrometer Study of Equilibria Involving Ions. 1. Potassium Bromide and Sulfate,
High Temp., 1973, 11, 50. [all data]
Chupka, 1959
Chupka, W.A.,
Dissociation Energies of Some Gaseous Halide Complex Ions and the Hydrated Ion K(H2O)+,
J. Chem. Phys., 1959, 40, 2, 458, https://doi.org/10.1063/1.1729974
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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