2,2,4,4',6,6'-Hexamethylazobenzene N,N'-dioxide

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Phase change 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: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub25.6 ± 2.9kcal/molMEAcree, Tucker, et al., 1993 

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

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Individual Reactions

C18H22N2O2 = 22,4,6-Trimethylnitrosobenzene

By formula: C18H22N2O2 = 2C9H11NO

Quantity Value Units Method Reference Comment
Δr12.2 ± 0.3kcal/molCmKeussler and Luttke, 1959liquid phase; solvent: Benzene

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.

Acree, Tucker, et al., 1993
Acree, W.E., Jr.; Tucker, S.A.; Pilcher, G.; Chowdhary, A.; Ribeiro da Silva, M.D.M.; Monte, M.J.S., Enthalpies of combustion of 2,2',4,4',6,6'-hexamethylazobenzene-N,N-dioxide, 2,2',6,6'-tetramethylazobenzene-N,N-dioxide, 2,4,6-trimethylnitrobenzene, and 2,6-dimethyl-nitrobenzene: the dissociation enthalpies of the N=N and N-O bonds, J. Chem. Thermodyn., 1993, 25, 1253-1261. [all data]

Keussler and Luttke, 1959
Keussler, V.v.; Luttke, W., Spektroskopische Untersuchungen an Nitrosoverbindungen. 3. Mitteilung: Die Dissoziationsenergie der Nitrosodimeren, Z. Elektrochem., 1959, 63, 614-623. [all data]


Notes

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