Benzaldehyde, 4-nitro-

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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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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)190.0kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity182.4kcal/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
1.691 ± 0.087IMREChowdhury, Kishi, et al., 1989ΔGea(423 K) = -37.7 kcal/mol, ΔS = -3 eu est.; B
1.652 ± 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
1.635 ± 0.087IMREMishima, Huh, et al., 1993ΔGea(343 K)=-29.4 kcal/mol. Reanchored to EA(PhNO2), Kebarle and Chowdhury, 1987.; B

Ionization energy determinations

IE (eV) Method Reference Comment
10.27 ± 0.01PEGal, Geribaldi, et al., 1985LBLHLM
10.27 ± 0.01EIFoffani, Pignataro, et al., 1964RDSH
10.37PEGal, Geribaldi, et al., 1985Vertical value; LBLHLM

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, 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

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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-1602
NIST MS number 229523

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References

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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]

Chowdhury, Kishi, et al., 1989
Chowdhury, S.; Kishi, H.; Dillow, G.W.; Kebarle, P., Electron Affinities of Substituted Nitrobenzenes, Can. J. Chem., 1989, 67, 4, 603, https://doi.org/10.1139/v89-091 . [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., 1993
Mishima, M.; Huh, C.; Nakamura, H.; Fujio, M.; Tsuno, Y., Electron Affinities of Benzaldehydes. Substituent Effects on Stabilities of Aromatic Radical Anions., Tetrahed. Lett., 1993, 34, 26, 4223, https://doi.org/10.1016/S0040-4039(00)60533-6 . [all data]

Kebarle and Chowdhury, 1987
Kebarle, P.; Chowdhury, S., Electron affinities and electron transfer reactions, Chem. Rev., 1987, 87, 513. [all data]

Gal, Geribaldi, et al., 1985
Gal, J.-F.; Geribaldi, S.; Pfister-Guillouzo, G.; Morris, D.G., Basicity of the carbonyl group. Part 12. Correlations between ionization potentials and lewis basicities in aromatic carbonyl compounds, J. Chem. Soc. Perkin Trans. 2, 1985, 103. [all data]

Foffani, Pignataro, et al., 1964
Foffani, A.; Pignataro, S.; Cantone, B.; Grasso, F., Ionization potentials and substituent effects for aromatic carbonyl compounds, Z. Physik. Chem. (Frankfurt), 1964, 42, 221. [all data]


Notes

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References