Benzene, 1-methoxy-4-nitro-
- Formula: C7H7NO3
- Molecular weight: 153.1354
- IUPAC Standard InChI: InChI=1S/C7H7NO3/c1-11-7-4-2-6(3-5-7)8(9)10/h2-5H,1H3
- IUPAC Standard InChIKey: BNUHAJGCKIQFGE-UHFFFAOYSA-N
- CAS Registry Number: 100-17-4
- 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. - Other names: Anisole, p-nitro-; p-Methoxynitrobenzene; p-Nitroanisole; 1-Methoxy-4-nitrobenzene; 4-Methoxynitrobenzene; 4-Nitroanisole; p-Nitroanisol; 4-Methoxy-1-nitrobenzene; Methyl p-nitrophenyl ether; p-Nitromethoxybenzene; 4-Nitrophenyl methyl ether; Phenol, 4-nitro-, methylated; 4-Nitro-1-methoxybenzene; Methyl 4-nitrophenyl ether; NSC 5507; Nitroanisole; UN 2730; 721942-42-3
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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:
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
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.91 ± 0.10 | IMRE | Chowdhury and Kebarle, 1986 | ΔGea(423 K) = -20.3 kcal/mol; ΔSea (estimated) = -2.0 eu.; B |
| 0.872 ± 0.087 | IMRE | Huh, Kang, et al., 1999 | ΔG(EA) 343K; anchored to ΔG value. Including anchor ΔS, EA is ca. 0.4 kcal/mol more bound.; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.79 | PE | Behan, Johnstone, et al., 1976 | LLK |
| 8.6 ± 0.1 | PE | Egdell, Green, et al., 1975 | LLK |
| 9.0 ± 0.1 | EI | Brown, 1970 | RDSH |
| 9.07 | PE | Kobayashi and Nagakura, 1975 | Vertical value; LLK |
| 9.08 ± 0.01 | PE | Bernardi, Distefano, et al., 1975 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C7H7O+ | 11.6 ± 0.1 | NO2 | EI | Brown, 1970 | RDSH |
| C7H7O2+ | 10.0 ± 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 and Kebarle, 1986
Chowdhury, S.; Kebarle, P.,
Electron affinities of di- and tetracyanoethylene and cyanobenzenes based on measurements of gas-phase electron transfer equilibria,
J. Am. Chem. Soc., 1986, 108, 5453. [all data]
Huh, Kang, et al., 1999
Huh, C.; Kang, C.H.; Lee, H.W.; Nakamura, H.; Mishima, M.; Tsuno, Y.; Yamataka, H.,
Thermodynamic stabilities and resonance demand of aromatic radical anions in the gas phase,
Bull. Chem. Soc. Japan, 1999, 72, 5, 1083-1091, https://doi.org/10.1246/bcsj.72.1083
. [all data]
Behan, Johnstone, et al., 1976
Behan, J.M.; Johnstone, R.A.W.; Bentley, T.W.,
An evaluation of empirical methods for calculating the ionization potentials of substituted benzenes,
Org. Mass Spectrom., 1976, 11, 207. [all data]
Egdell, Green, et al., 1975
Egdell, R.; Green, J.C.; Rao, C.N.R.,
Photoelectron spectra of substituted benzenes,
Chem. Phys. Lett., 1975, 33, 600. [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]
Kobayashi and Nagakura, 1975
Kobayashi, T.; Nagakura, S.,
Photoelectron spectra of nitrophenols and nitroanisoles,
J. Electron Spectrosc. Relat. Phenom., 1975, 6, 421. [all data]
Bernardi, Distefano, et al., 1975
Bernardi, F.; Distefano, G.; Mangini, A.; Pignataro, S.; Spunta, G.,
Photoelectron spectra of substituted anisoles thioanisoles,
J. Electron Spectrosc. Relat. Phenom., 1975, 7, 457. [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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