Quindoxin

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, UV/Visible spectrum, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas227.1 ± 2.4kJ/molCcbAcree, Powell, et al., 1997 

Condensed 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfsolid115.1 ± 1.4kJ/molCcbAcree, Powell, et al., 1997 
Quantity Value Units Method Reference Comment
Δcsolid-4120.7 ± 0.9kJ/molCcbAcree, Powell, et al., 1997 

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, References, Notes

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub112.0 ± 1.9kJ/molCAcree, Powell, et al., 1997ALS
Δsub112.0 ± 1.9kJ/molCAcree, Powell, et al., 1997AC

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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C8H6N2O2+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
7.98 ± 0.05PEMaier, Muller, et al., 1975Vertical value

UV/Visible spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

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Source Dvoryantseva, et al., 1974
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 23728
Instrument Hitachi EPS-3
Melting point 241-243

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, UV/Visible spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Acree, Powell, et al., 1997
Acree, W.E., Jr.; Powell, J.R.; Tucker, S.A.; Ribeiro da Silva, M.D.M.C.; Matos, M.A.R.; Goncalves, J.M.; Santos, L.M.N.B.F.; Morais, V.M.F.; Pilcher, G., Thermochemical and theroretical study of some quinoxaline 1,4-dioxides and pyrazine 1,4-dioxide, J. Org. Chem., 1997, 62, 3722-3726. [all data]

Maier, Muller, et al., 1975
Maier, J.P.; Muller, J.-F.; Kubota, T.; Yamakawa, M., 183. Ionisation energies and the electronic structures of the N-oxides of azanaphthalenes and azaanthracenes, Helv. Chim. Acta, 1975, 58, 1641. [all data]

Dvoryantseva, et al., 1974
Dvoryantseva, G.G., et al., Khim. Geterosikl. Soedin., 1974, 1554. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, UV/Visible spectrum, References