p-Benzoquinone, 2-methyl-

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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
B - John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
1.852 ± 0.061IMREHeinis, Chowdhury, et al., 1988ΔGea(423 K) = -41.1 kcal/mol; ΔSea (estimated) = -4.0 eu.; B
1.852 ± 0.048IMREFukuda and McIver, 1985ΔGea(355 K) = -41.3 kcal/mol; ΔSea =-4.0, est. from data in Heinis, Chowdhury, et al., 1988; B

Ionization energy determinations

IE (eV) Method Reference Comment
9.78PEKobayashi, 1975LLK
9.78 ± 0.02PIPotapov and Sorokin, 1971LLK

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
PackedSE-30180.1008.Llobera and García-Raso, 1987N2, Chromosorb P AW DMCS; Column length: 2. m
PackedSE-30190.1015.Llobera and García-Raso, 1987N2, Chromosorb P AW DMCS; Column length: 2. m
PackedSE-30200.1018.Llobera and García-Raso, 1987N2, Chromosorb P AW DMCS; Column length: 2. m
PackedSE-30210.1025.Llobera and García-Raso, 1987N2, Chromosorb P AW DMCS; Column length: 2. m
PackedSE-30220.1031.Llobera and García-Raso, 1987N2, Chromosorb P AW DMCS; Column length: 2. m

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedCarbowax 20M180.1616.Llobera and García-Raso, 1987N2, Chromosorb P AW DMCS (60-80 mesh); Column length: 2. m
PackedCarbowax 20M190.1624.Llobera and García-Raso, 1987N2, Chromosorb P AW DMCS (60-80 mesh); Column length: 2. m
PackedCarbowax 20M200.1633.Llobera and García-Raso, 1987N2, Chromosorb P AW DMCS (60-80 mesh); Column length: 2. m
PackedCarbowax 20M210.1640.Llobera and García-Raso, 1987N2, Chromosorb P AW DMCS (60-80 mesh); Column length: 2. m

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.

Heinis, Chowdhury, et al., 1988
Heinis, T.; Chowdhury, S.; Scott, S.L.; Kebarle, P., Electron Affinities of Benzo-, Naphtho-, and Anthraquinones Determined from Gas-Phase Equilibria Measurements, J. Am. Chem. Soc., 1988, 110, 2, 400, https://doi.org/10.1021/ja00210a015 . [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]

Kobayashi, 1975
Kobayashi, T., Photoelectron spectra of p-benzoquinones, J. Electron. Spectrosc. Relat. Phenom., 1975, 7, 349. [all data]

Potapov and Sorokin, 1971
Potapov, V.K.; Sorokin, V.V., Photoionization and ion-molecule reactions in quinones and alcohols, High Energy Chem., 1971, 5, 435, In original 487. [all data]

Llobera and García-Raso, 1987
Llobera, A.; García-Raso, A., Gas chromatographic behaviour of several p-quinones, J. Chromatogr., 1987, 393, 2, 305-311, https://doi.org/10.1016/S0021-9673(01)94227-X . [all data]


Notes

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