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Anthracene, 9-methyl-

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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:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

C15H11- + Hydrogen cation = Anthracene, 9-methyl-

By formula: C15H11- + H+ = C15H12

Quantity Value Units Method Reference Comment
Deltar362.2 ± 2.4kcal/molG+TSBartmess and Griffiths, 1990gas phase; Isomer 9-methylene-9,10-dihydroanthracene: «DELTA»G=349.0±3.0, «DELTA»S=27.0, «DELTA»H=357.1;DH: Zhang, Bordwell, et al., 1993; B
Quantity Value Units Method Reference Comment
Deltar355.1 ± 2.3kcal/molIMREBartmess and Griffiths, 1990gas phase; Isomer 9-methylene-9,10-dihydroanthracene: «DELTA»G=349.0±3.0, «DELTA»S=27.0, «DELTA»H=357.1;DH: Zhang, Bordwell, et al., 1993; B

C21H12N4 = Tetracyanoethylene + Anthracene, 9-methyl-

By formula: C21H12N4 = C6N4 + C15H12

Quantity Value Units Method Reference Comment
Deltar14.9kcal/molKinLotfi and Roberts, 1979liquid phase; solvent: CCl4; Spectrophotometrically; ALS

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.

Bartmess and Griffiths, 1990
Bartmess, J.E.; Griffiths, S.S., Tautomerization Energetics of Benzoannelated Toluenes, J. Am. Chem. Soc., 1990, 112, 8, 2932, https://doi.org/10.1021/ja00164a014 . [all data]

Zhang, Bordwell, et al., 1993
Zhang, X.M.; Bordwell, F.G.; Bares, J.E.; Cheng, J.P.; Petrie, B.C., Homolytic Bond Dissociation Energies of the Acidic C-H Bonds in alpha-Substituted and 10-Substituted 9-Methylanthracenes and Their Related Radical Anions, J. Org. Chem., 1993, 58, 11, 3051, https://doi.org/10.1021/jo00063a025 . [all data]

Lotfi and Roberts, 1979
Lotfi, M.; Roberts, R.M.G., Kinetics and mechanism of Diels-Alder additions of tetracyanoethylene to anthracene derivatives - I. Substituent effects, Tetrahedron, 1979, 35, 2131-2136. [all data]


Notes

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