Benzene, 1,4-dinitro- anion


Gas phase thermochemistry 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 by: John E. Bartmess

Quantity Value Units Method Reference Comment
Δfgas-32.5 ± 2.4kcal/molR-EAChowdury, Grimsrud, et al., 1986ΔGea(423 K) = -44.3 kcal/mol; ΔSea = -4.5 eu.

Reaction thermochemistry 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess

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Individual Reactions

C6H4N2O4- + F6S- = (C6H4N2O4- • F6S-)

By formula: C6H4N2O4- + F6S- = (C6H4N2O4- • F6S-)

Quantity Value Units Method Reference Comment
Δr8.5kcal/molPHPMSChowdhury and Kebarle, 1986gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KN/AChowdhury and Kebarle, 1986gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
1.9334.PHPMSChowdhury and Kebarle, 1986gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M

C6H4N2O4- + Methyl Alcohol = (C6H4N2O4- • Methyl Alcohol)

By formula: C6H4N2O4- + CH4O = (C6H4N2O4- • CH4O)

Quantity Value Units Method Reference Comment
Δr2.3 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
2.3343.PHPMSChowdhury, 1987gas phase; M

C6H4N2O4- + Dimethyl Sulfoxide = (C6H4N2O4- • Dimethyl Sulfoxide)

By formula: C6H4N2O4- + C2H6OS = (C6H4N2O4- • C2H6OS)

Quantity Value Units Method Reference Comment
Δr4.4 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
4.4343.PHPMSChowdhury, 1987gas phase; M

C6H4N2O4- + Formamide, N,N-dimethyl- = (C6H4N2O4- • Formamide, N,N-dimethyl-)

By formula: C6H4N2O4- + C3H7NO = (C6H4N2O4- • C3H7NO)

Quantity Value Units Method Reference Comment
Δr2.5 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
2.5343.PHPMSChowdhury, 1987gas phase; M

C6H4N2O4- + Acetonitrile = (C6H4N2O4- • Acetonitrile)

By formula: C6H4N2O4- + C2H3N = (C6H4N2O4- • C2H3N)

Quantity Value Units Method Reference Comment
Δr3.2 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
3.2343.PHPMSChowdhury, 1987gas phase; M

C6H4N2O4- + Silicon tetrafluoride = C6H4F4N2O4Si-

By formula: C6H4N2O4- + F4Si = C6H4F4N2O4Si-

Quantity Value Units Method Reference Comment
Δr21.0 ± 1.0kcal/molTDAsWilliamson, Knighton, et al., 2001gas phase; at 150 C; B
Quantity Value Units Method Reference Comment
Δr4.20 ± 0.60kcal/molTDAsWilliamson, Knighton, et al., 2001gas phase; at 150 C; B

C6H4N2O4- + Sulfur hexafluoride = (C6H4N2O4- • Sulfur hexafluoride)

By formula: C6H4N2O4- + F6S = (C6H4N2O4- • F6S)

Quantity Value Units Method Reference Comment
Δr<8.50kcal/molIMRBChowdhury and Kebarle, 1986gas phase; B
Quantity Value Units Method Reference Comment
Δr<1.90kcal/molIMRBChowdhury and Kebarle, 1986gas phase; B

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.

Chowdury, Grimsrud, et al., 1986
Chowdury, S.; Grimsrud, E.P.; Heinis, T.; Kebarle, P., Electron affinities of perfluorobenzene and perfluorophenyl compounds, J. Am. Chem. Soc., 1986, 108, 3630. [all data]

Chowdhury and Kebarle, 1986
Chowdhury, S.; Kebarle, P., Role of Binding Energies in A-.B and A.B- Complexes in the Kinetics of Gas Phase Electron Transfer Reactions:A- + B = A + B- Involving Perfluoro Compounds: SF6, C6F11CF3, J. Chem. Phys., 1986, 85, 9, 4989, https://doi.org/10.1063/1.451687 . [all data]

Chowdhury, Grimsrud, et al., 1987
Chowdhury, S.; Grimsrud, E.P.; Kebarle, P., Bonding of Charged Delocalized Anions to Protic and Dipolar Aprotic Solvent Molecules, J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021 . [all data]

Chowdhury, 1987
Chowdhury, S. Grimsrud, Bonding of Charge Delocalized Anions to Protic and Dipolar Aprotic Solvents, J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021 . [all data]

Williamson, Knighton, et al., 2001
Williamson, D.H.; Knighton, W.B.; Grimsrud, E.P., Lewis acid-base interactions of SiF4 with molecular anions formed by electron capture reactions, Int. J. Mass Spectrom., 2001, 206, 1-2, 53-61, https://doi.org/10.1016/S1387-3806(00)00388-2 . [all data]


Notes

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