Benzene, 1-methoxy-4-nitro-

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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
Tboil547.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus327.1KN/AGross, Saylor, et al., 1933Uncertainty assigned by TRC = 0.4 K; TRC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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

Nitrogen oxide anion + Benzene, 1-methoxy-4-nitro- = (Nitrogen oxide anion • Benzene, 1-methoxy-4-nitro-)

By formula: NO2- + C7H7NO3 = (NO2- • C7H7NO3)

Quantity Value Units Method Reference Comment
Δr20.5 ± 2.0kcal/molTDAsGrimsrud, Chowdhury, et al., 1986gas phase
Quantity Value Units Method Reference Comment
Δr12.6 ± 2.0kcal/molTDAsGrimsrud, Chowdhury, et al., 1986gas 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 ± 0.10IMREChowdhury and Kebarle, 1986ΔGea(423 K) = -20.3 kcal/mol; ΔSea (estimated) = -2.0 eu.; B
0.872 ± 0.087IMREHuh, Kang, et al., 1999ΔG(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
8.79PEBehan, Johnstone, et al., 1976LLK
8.6 ± 0.1PEEgdell, Green, et al., 1975LLK
9.0 ± 0.1EIBrown, 1970RDSH
9.07PEKobayashi and Nagakura, 1975Vertical value; LLK
9.08 ± 0.01PEBernardi, Distefano, et al., 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H7O+11.6 ± 0.1NO2EIBrown, 1970RDSH
C7H7O2+10.0 ± 0.1NOEIBrown, 1970RDSH

Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Nitrogen oxide anion + Benzene, 1-methoxy-4-nitro- = (Nitrogen oxide anion • Benzene, 1-methoxy-4-nitro-)

By formula: NO2- + C7H7NO3 = (NO2- • C7H7NO3)

Quantity Value Units Method Reference Comment
Δr20.5 ± 2.0kcal/molTDAsGrimsrud, Chowdhury, et al., 1986gas phase
Quantity Value Units Method Reference Comment
Δr12.6 ± 2.0kcal/molTDAsGrimsrud, Chowdhury, et al., 1986gas phase

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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IR 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

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

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Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center, 2010
NIST MS number 374810

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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.

Data compiled by: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis 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

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Column type Active phase I Reference Comment
CapillaryVF-5MS1414.Todua, 201130. 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

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Column type Active phase I Reference Comment
CapillaryVF-5MS1424.3Tret'yakov, 200730. 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

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Column type Active phase I Reference Comment
CapillaryHP-5MS1463.Zouari, Zouari, et al., 201030. 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, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), 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, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References