Benzene, 1-bromo-4-nitro-
- Formula: C6H4BrNO2
- Molecular weight: 202.005
- IUPAC Standard InChI: InChI=1S/C6H4BrNO2/c7-5-1-3-6(4-2-5)8(9)10/h1-4H
- IUPAC Standard InChIKey: ZDFBKZUDCQQKAC-UHFFFAOYSA-N
- CAS Registry Number: 586-78-7
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: p-Bromonitrobenzene; p-Nitrobromobenzene; 1-Bromo-4-nitrobenzene; 4-Bromonitrobenzene; 4-Nitrobromobenzene
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Gas phase ion energetics 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.
Data compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.29 ± 0.10 | IMRE | Chowdhury, Heinis, et al., 1986 | ΔGea(423 K) = -29.0 kcal/mol; ΔSea (estimated) = -2.0 eu.; B |
| <1.340 ± 0.050 | PD | Mock and Grimsrud, 1989 | B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.8 ± 0.1 | EI | Brown, 1970 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C6H4Br+ | 12.2 ± 0.1 | NO2 | EI | Brown, 1970 | RDSH |
| C6H4OBr+ | 10.6 ± 0.1 | NO | EI | Brown, 1970 | RDSH |
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.
Chowdhury, Heinis, et al., 1986
Chowdhury, S.; Heinis, T.; Grimsrud, E.P.; Kebarle, P.,
Entropy Changes and Electron Affinities from Gas-Phase Electron Transfer Equilibria: A- + B = A + B-,
J. Phys. Chem., 1986, 90, 12, 2747, https://doi.org/10.1021/j100403a037
. [all data]
Mock and Grimsrud, 1989
Mock, R.S.; Grimsrud, E.P.,
Gas-Phase Electron Photodetachment Spectroscopy of the Molecular Anions of Nitroaromatic Hydrocarbons at Atmospheric Pressure,
J. Am. Chem. Soc., 1989, 111, 8, 2861, https://doi.org/10.1021/ja00190a020
. [all data]
Brown, 1970
Brown, P.,
Kinetic studies in mass spectrometry. IX. Competing [M-NO2] and [M-NO] reactions in substituted nitrobenzenes. Approximate activation energies from ionization and appearance potentials,
Org. Mass Spectrom., 1970, 4, 533. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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