Benzonitrile, 3-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:
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)186.8kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity179.4kcal/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
1.57 ± 0.10TDEqChowdhury, Heinis, et al., 1986ΔGea(423 K) = -34.8 kcal/mol; ΔSea = -3.2 eu.; B
1.574 ± 0.048IMREFukuda and McIver, 1985ΔGea(355 K) = -35.2 kcal/mol; ΔSea =-3.2, est. from data in Chowdhury, Heinis, et al., 1986; B
<1.770 ± 0.050PDMock and Grimsrud, 1989B

Ionization energy determinations

IE (eV) Method Reference Comment
10.57 ± 0.04EIBuchs, 1970RDSH
10.3 ± 0.1EIBrown, 1970RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H4N+12.3 ± 0.1NO2EIBrown, 1970RDSH
C7H4NO+10.5 ± 0.1NOEIBrown, 1970RDSH

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

Spectrum

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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-2622
NIST MS number 231368

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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, 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]

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]

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]

Buchs, 1970
Buchs, A., Etude par spectrometrie de masse de l'ionisation de benzonitriles, de phenylacetonitriles et de N,N-dimethylanilines substitues, Helv. Chim. Acta, 1970, 53, 2026. [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]


Notes

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