Benzene, 1,4-dinitro-
- Formula: C6H4N2O4
- Molecular weight: 168.1070
- IUPAC Standard InChIKey: FYFDQJRXFWGIBS-UHFFFAOYSA-N
- CAS Registry Number: 100-25-4
- 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: Benzene, p-dinitro-; p-Dinitrobenzene; 1,4-Dinitrobenzene; para-Dinitrobenzene; Dithane a-4; UN 1597
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, 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 |
---|---|---|---|
2.00 ± 0.10 | TDEq | Chowdury, Grimsrud, et al., 1986 | ΔGea(423 K) = -44.3 kcal/mol; ΔSea = -4.5 eu.; B |
0.02502 | N/A | Desfrancois, Periquet, et al., 1999 | quadrupole bound state; B |
1.995 ± 0.048 | IMRE | Fukuda and McIver, 1985 | ΔGea(355 K) = -44.4 kcal/mol; ΔSea =-4.5, est. from data in Chowdhury, Heinis, et al., 1986; B |
<3.100 ± 0.050 | PD | Mock and Grimsrud, 1989 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.3 ± 0.1 | PE | Egdell, Green, et al., 1975 | LLK |
10.50 ± 0.02 | PI | Potapov, Kardash, et al., 1972 | LLK |
10.6 ± 0.1 | EI | Brown, 1970 | RDSH |
10.65 | PE | Palmer, Moyes, et al., 1979 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H4NO2+ | 12.5 ± 0.1 | NO2 | EI | Brown, 1970 | RDSH |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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 | Japan AIST/NIMC Database- Spectrum MS-NW-3757 |
NIST MS number | 229145 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxanes | 246.75 | Eckel and Kind, 2003 | Program: not specified |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chowdury, Grimsrud, et al., 1986
Chowdury, S.; Grimsrud, E.P.; Heinis, T.; Kebarle, P.,
Electron affinities of perfluorobenzene and perfluorophenyl compounds,
J. Am. Chem. Soc., 1986, 108, 3630. [all data]
Desfrancois, Periquet, et al., 1999
Desfrancois, C.; Periquet, V.; Lyapustina, S.A.; Lippa, T.P.; Robinson, D.W.; Bowen, K.H.; Nonaka, H.; Compton,
Electron Binding to Valence and Multipole states of Molecules: Nitrobenzene, para- and meta-dinitrobenzenes,
J. Chem. Phys., 1999, 111, 10, 4569, https://doi.org/10.1063/1.479218
. [all data]
Fukuda and McIver, 1985
Fukuda, E.K.; McIver, R.T., Jr.,
Relative electron affinities of substituted benzophenones, nitrobenzenes, and quinones. [Anchored to EA(SO2) from 74CEL/BEN],
J. Am. Chem. Soc., 1985, 107, 2291. [all data]
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]
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]
Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I.,
Photoionization of heteroaromatic compounds,
Khim. Vys. Energ., 1972, 6, 392. [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]
Palmer, Moyes, et al., 1979
Palmer, M.H.; Moyes, W.; Spiers, M.; Ridyard, J.N.A.,
The electronic structure of substituted benzenes; ab initio calculations and photoelectron spectra for nitrobenzene, the nitrotoluenes, dinitrobenzenes and fluoronitrobenzenes,
J. Mol. Struct., 1979, 55, 243. [all data]
Eckel and Kind, 2003
Eckel, W.P.; Kind, T.,
Use of boiling point-Lee retention index correlation for rapid review of gas chromatography-mass spectrometry data,
Anal. Chim. Acta., 2003, 494, 1-2, 235-243, https://doi.org/10.1016/j.aca.2003.08.003
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.