Benzaldehyde, 4-nitro-

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, 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:
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

Gas Chromatography

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

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
PackedOV-101140.1291.8Righezza, Hassani, et al., 1996N2, Chromosorb G HP; Column length: 5. m
PackedOV-101160.1302.2Hassani and Meklati, 1992N2, Chromosorb G HP; Column length: 5. m

References

Go To: Top, Gas phase ion energetics data, 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]

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]

Righezza, Hassani, et al., 1996
Righezza, M.; Hassani, A.; Meklati, B.Y.; Chrétien, J.R., Quantitative structure-retention relationships (QSRR) of congeneric aromatics series studied on phenyl OV phases in gas chromatography, J. Chromatogr. A, 1996, 723, 1, 77-91, https://doi.org/10.1016/0021-9673(95)00816-0 . [all data]

Hassani and Meklati, 1992
Hassani, A.; Meklati, B.Y., Gas chromatographic behaviour of monosubstituted benzenes, benzaldehydes and acetophenones on OV polymethylphenyl-silicone stationary phases, Chromatographia, 1992, 33, 5/6, 267-271, https://doi.org/10.1007/BF02276193 . [all data]


Notes

Go To: Top, Gas phase ion energetics data, Gas Chromatography, References