Bromine
- Formula: Br
- Molecular weight: 79.904
- IUPAC Standard InChIKey: WKBOTKDWSSQWDR-UHFFFAOYSA-N
- CAS Registry Number: 10097-32-2
- 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:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to Br+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 11.81381 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 554.4 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 531.2 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
3.363583 ± 0.000044 | LPD | Blondel, Cacciani, et al., 1989 | reported: 27129.170±0.015 cm-1; B |
3.3630 ± 0.0030 | N/A | Berry and Reimann, 1963 | B |
3.4912 | N/A | Check, Faust, et al., 2001 | F-; ; ΔS(acid)=19.2; ΔS(EA)=6.4; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.81381 | EVAL | Lide, 1992 | LL |
11.9 ± 0.3 | EI | Lau and Hildenbrand, 1987 | LBLHLM |
11.814 | S | Kelly, 1987 | LBLHLM |
11.81 | PE | Kimura, Yamazaki, et al., 1978 | LLK |
11.81 ± 0.02 | PE | De Leeuw, Mooyman, et al., 1978 | LLK |
11.814 | S | Cermak, 1975 | LLK |
11.81381 | S | Moore, 1970 | RDSH |
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: John E. Bartmess
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: C3NiO3- + Br = C3BrNiO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >296.6 | kJ/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase |
By formula: C4FeO4- + Br = C4BrFeO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >295.4 | kJ/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase |
By formula: C5CrO5- + Br = C5BrCrO5-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >295.4 | kJ/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase |
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.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [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]
Berry and Reimann, 1963
Berry, R.S.; Reimann, C.W.,
Absorption Spectrum of Gaseous Fluoride and the Electron Affinities of the Halogen Atoms,
J. Chem. Phys., 1963, 38, 7, 1540, https://doi.org/10.1063/1.1776916
. [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]
Lide, 1992
Lide, D.R. (Editor),
Ionization potentials of atoms and atomic ions
in Handbook of Chem. and Phys., 1992, 10-211. [all data]
Lau and Hildenbrand, 1987
Lau, K.H.; Hildenbrand, D.L.,
Thermochemistry of the gaseous uranium bromides UBr through UBr5(a),
J. Chem. Phys., 1987, 86, 2949. [all data]
Kelly, 1987
Kelly, R.L.,
Atomic and ionic spectrum lines of hydrogen through kryton,
J. Phys. Chem. Ref. Data, 1987, 16. [all data]
Kimura, Yamazaki, et al., 1978
Kimura, K.; Yamazaki, T.; Achiba, Y.,
He I (584 A) photoelectron spectra and photoionization cross sections of atomic chlorine and bromine,
Chem. Phys. Lett., 1978, 58, 104. [all data]
De Leeuw, Mooyman, et al., 1978
De Leeuw, D.M.; Mooyman, R.; De Lange, C.A.,
He(I) photoelectron spectroscopy of halogen atoms,
Chem. Phys. Lett., 1978, 54, 231. [all data]
Cermak, 1975
Cermak, V.,
Electron spectroscopy of autoionizing states of oxygen, chlorine and bromine atoms,
J. Electron Spectrosc. Relat. Phenom., 1975, 6, 135. [all data]
Moore, 1970
Moore, C.E.,
Ionization potentials and ionization limits derived from the analyses of optical spectra,
Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]
Jones, McDonald, et al., 1989
Jones, M.T.; McDonald, R.N.; Schell, P.L.; Ali, M.H.,
Kinetics and Mechanism of Halogen Atom Transfer Reactions between Haloalkanes and Several 17-Electron Transition Metal Complex Negative Ions in the Gas Phase,
J. Am. Chem. Soc., 1989, 111, 16, 5983, https://doi.org/10.1021/ja00198a001
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
EA Electron affinity IE (evaluated) Recommended ionization energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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