Benzoic acid, 4-nitro-, methyl ester


Gas phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-287. ± 11.kJ/molCmGuthrie, Pike, et al., 1992Hydrolysis

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 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)813.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity782.3kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
1.461 ± 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
1.470 ± 0.087IMREMishima, Huh, et al., 1995ΔGea(343 K)=-34.8 kcal/mol. Reanchored to EA(PhNO2), Kebarle and Chowdhury, 1987.; B

Ionization energy determinations

IE (eV) Method Reference Comment
9.70EIHowe and Williams, 1969RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H4NO3+11.52CH3OEIHowe and Williams, 1969RDSH

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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillarySE-30160.1432.Korhonen, 1986N2; Column length: 25. m; Column diameter: 0.33 mm
CapillarySE-30180.1427.Korhonen, 1986N2; Column length: 25. m; Column diameter: 0.33 mm
CapillarySE-30200.1449.Korhonen, 1986N2; Column length: 25. m; Column diameter: 0.33 mm
CapillarySE-30220.1440.Korhonen, 1986N2; Column length: 25. m; Column diameter: 0.33 mm
CapillarySE-30240.1411.Korhonen, 1986N2; Column length: 25. m; Column diameter: 0.33 mm

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-351180.2273.Korhonen, 1986N2; Column length: 25. m; Column diameter: 0.32 mm
CapillaryOV-351200.2314.Korhonen, 1986N2; Column length: 25. m; Column diameter: 0.32 mm
CapillaryOV-351220.2314.Korhonen, 1986N2; Column length: 25. m; Column diameter: 0.32 mm

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillarySE-301423.Korhonen, 1986N2, 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

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Column type Active phase I Reference Comment
PackedSE-301445.Peng, Ding, et al., 1988Supelcoport; 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

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Column type Active phase I Reference Comment
CapillaryOV-3512250.Korhonen, 1986N2, 6. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 220. C

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Guthrie, Pike, et al., 1992
Guthrie, J.P.; Pike, D.C.; Lee, Y.-C., Equilibrium constants and heats of formation of methyl esters and N,N-dimethyl amides of substituted benzoic acids, Can. J. Chem., 1992, 70, 1671-1683. [all data]

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]

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

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