Benzene, 1-methoxy-4-nitro-
- Formula: C7H7NO3
- Molecular weight: 153.1354
- 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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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 547.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 327.1 | K | N/A | Gross, Saylor, et al., 1933 | Uncertainty assigned by TRC = 0.4 K; TRC |
Reaction 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.
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. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: NO2- + C7H7NO3 = (NO2- • C7H7NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.5 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 12.6 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase |
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:
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 |
IR Spectrum
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Source | Lang (editor), 1965 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 19991 |
Instrument | Unicam SP 500 |
Melting point | 54 |
Gas Chromatography
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-5MS | 1414. | Todua, 2011 | 30. m/0.25 mm/0.25 μm, He; Tstart: 60. C; Tend: 270. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-5MS | 1424.3 | Tret'yakov, 2007 | 30. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 1463. | Zouari, Zouari, et al., 2010 | 30. m/0.25 mm/0.25 μm, Helium, 50. C @ 1. min, 7. K/min, 250. C @ 5. min |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, UV/Visible spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Gross, Saylor, et al., 1933
Gross, P.M.; Saylor, J.H.; Gorman, M.A.,
Solubility studies: IV the solubilities of certain slightly soluble organic compounds in water,
J. Am. Chem. Soc., 1933, 55, 650-2. [all data]
Grimsrud, Chowdhury, et al., 1986
Grimsrud, E.P.; Chowdhury, S.; Kebarle, P.,
Gas Phase Reactions of NO2- with Nitrobenzenes and Quinones. Electron Transfer, Clusters, and Formation of Phenoxide and Quinoxide Negative Ions. Use of NO2 as a NICI Reagent Gas.,
Int. J. Mass Spectrom. Ion Proc., 1986, 68, 1-2, 57, https://doi.org/10.1016/0168-1176(86)87068-9
. [all data]
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]
Lang (editor), 1965
Lang (editor), L.,
Absorption Spectra in the Ultraviolet and Visible Region, 1965, 6, 19. [all data]
Todua, 2011
Todua, N.G.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2011. [all data]
Tret'yakov, 2007
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [all data]
Zouari, Zouari, et al., 2010
Zouari, S.; Zouari, N.; Fakhfakh, N.; Bougatel, A.; Ayadi, M.A.; Neffati, M.,
Chemical composition and biological activities of a new essential oil chemotype of Tunisian Artemisia herba alba Asso,
J. Medicinal Plants Res., 2010, 4, 10, 871-880. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, UV/Visible spectrum, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity Tboil Boiling point Tfus Fusion (melting) point 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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