Benzonitrile, 4-methoxy-

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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 compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
8.6PEModelli and Distefano, 1981LLK
8.74EICooks, Bertrand, et al., 1973LLK
9.08 ± 0.05EIBuchs, 1970RDSH
9.0 ± 0.1EIBrown, 1970RDSH
8.92PEModelli and Distefano, 1981Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H4NO+12.7 ± 0.1CH3EIBrown, 1970RDSH
C7H4NO+12.7 ± 0.1CH3EITait, Shannon, et al., 1962RDSH
C7H5N+12.39HCHOEICooks, Bertrand, et al., 1973LLK
C7H5N+12.3 ± 0.1CH2OEIBrown, 1970RDSH

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

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

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Column type Active phase I Reference Comment
CapillaryDB-11218.7Chang, Sheng, et al., 19892. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tstart: 50. C; Tend: 300. C
CapillaryDB-11221.9Chang, Sheng, et al., 19892. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tstart: 50. C; Tend: 300. C

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

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Column type Active phase I Reference Comment
CapillaryDB-Wax2088.5Chang, Sheng, et al., 19892. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tstart: 50. C; Tend: 240. C
CapillaryDB-Wax2089.9Chang, Sheng, et al., 19892. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tstart: 50. C; Tend: 240. 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.

Modelli and Distefano, 1981
Modelli, A.; Distefano, G., L. C. B. O.: An easy method to predict valence ionization energies. Application to substituted benzenes, Z. Naturforsch. A:, 1981, 36, 1344. [all data]

Cooks, Bertrand, et al., 1973
Cooks, R.G.; Bertrand, M.; Beynon, J.H.; Rennekamp, M.E.; Setser, D.W., Energy partitioning data as an ion structure probe. Substituted anisoles, J. Am. Chem. Soc., 1973, 95, 1732. [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. VIII. Competing [M-CH3] and [M-CH2O] reactions in substituted anisoles. Approximate activation energies from ionization appearance potentials, Org. Mass Spectrom., 1970, 4, 519. [all data]

Tait, Shannon, et al., 1962
Tait, J.M.S.; Shannon, T.W.; Harrison, A.G., The structure of substituted C7 ions from benzyl derivatives at the appearance potential threshold, J. Am. Chem. Soc., 1962, 84, 4. [all data]

Chang, Sheng, et al., 1989
Chang, L.P.; Sheng, L.S.; Yang, M.Z.; An, D.K., Retention index of essential oil in temperature-programmed capillary column gas chromatography, Acta Pharm. Sin., 1989, 24, 11, 847-852. [all data]


Notes

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