Benzoic acid, 4-nitro-, methyl ester
- Formula: C8H7NO4
- Molecular weight: 181.1455
- IUPAC Standard InChIKey: YOJAHJGBFDPSDI-UHFFFAOYSA-N
- CAS Registry Number: 619-50-1
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Other names: Benzoic acid, p-nitro-, methyl ester; p-Nitrobenzoic acid methyl ester; Methyl p-nitrobenzoate; Methyl 4-nitrobenzoate; Methyl para-nitrobenzoate; Methyl ester of 4-Nitrobenzoic acid; 4-Nitrobenzoic acid methyl ester
- Information on this page:
- Other data available:
- Options:
Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), UV/Visible spectrum, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 813.2 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 782.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.461 ± 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 |
1.470 ± 0.087 | IMRE | Mishima, Huh, et al., 1995 | ΔGea(343 K)=-34.8 kcal/mol. Reanchored to EA(PhNO2), Kebarle and Chowdhury, 1987.; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.70 | EI | Howe and Williams, 1969 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H4NO3+ | 11.52 | CH3O | EI | Howe and Williams, 1969 | RDSH |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, UV/Visible spectrum, 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-1471 |
NIST MS number | 229348 |
UV/Visible spectrum
Go To: Top, Gas phase ion energetics data, 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.
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).
View spectrum image in SVG format.
Download spectrum in JCAMP-DX format.
Source | Lang (editor), 1969 |
---|---|
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. 19061 |
Instrument | Unicam SP 500 |
Melting point | 94-96 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SE-30 | 160. | 1432. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.33 mm |
Capillary | SE-30 | 180. | 1427. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.33 mm |
Capillary | SE-30 | 200. | 1449. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.33 mm |
Capillary | SE-30 | 220. | 1440. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.33 mm |
Capillary | SE-30 | 240. | 1411. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.33 mm |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-351 | 180. | 2273. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Capillary | OV-351 | 200. | 2314. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Capillary | OV-351 | 220. | 2314. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 1423. | Korhonen, 1986 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.33 mm; Tstart: 100. C; Tend: 310. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 1445. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-351 | 2250. | Korhonen, 1986 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 220. C |
References
Go To: Top, Gas phase ion energetics data, 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.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [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]
Mishima, Huh, et al., 1995
Mishima, M.; Huh, C.; Lee, H.W.; Nakamura, H.; Fujio, M.; Tsuno, Y.,
Electron affinities of acetophenones and methyl benzoates. Varying resonance demand of aromatic radical anions,
Tetrahed. Lett., 1995, 36, 13, 2265, https://doi.org/10.1016/0040-4039(95)00267-G
. [all data]
Kebarle and Chowdhury, 1987
Kebarle, P.; Chowdhury, S.,
Electron affinities and electron transfer reactions,
Chem. Rev., 1987, 87, 513. [all data]
Howe and Williams, 1969
Howe, I.; Williams, D.H.,
Calculation and qualitative predictions of mass spectra. Mono- and paradisubstituted benzenes,
J. Am. Chem. Soc., 1969, 91, 7137. [all data]
Lang (editor), 1969
Lang (editor), L.,
Absorption Spectra in the Ultraviolet and Visible Region, 1969, 12, 53. [all data]
Korhonen, 1986
Korhonen, I.O.O.,
Gas-Liquid Chromatographic Analyses. XLV. Retention Behaviour of C1-C12 n-Alkyl Esters of Benzoic, 4-Nitrobenzoic and 3,5-Dinitrobenzoic Acids on SE-30 and OV-351 Capillary Columns,
J. Chromatogr., 1986, 356, 285-299, https://doi.org/10.1016/S0021-9673(00)91489-4
. [all data]
Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C.,
Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns,
J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, 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.