4,5,6-Trimethyl-2,3-benzoxalene

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

Quantity Value Units Method Reference Comment
Δfgas2.kJ/molCcbGeiseler, Quitzsch, et al., 1966Author's hf298_gas=58.4 kcal/mol

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
Δfsolid-138.kJ/molCcbGeiseler, Quitzsch, et al., 1966Author's hf298_gas=58.4 kcal/mol
Quantity Value Units Method Reference Comment
Δcsolid-7765.9kJ/molCcbGeiseler, Quitzsch, et al., 1966Author's hf298_gas=58.4 kcal/mol; Corresponding Δfsolid = -138. kJ/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δsub139.5kJ/molVGeiseler, Quitzsch, et al., 1966Author's hf298_gas=58.4 kcal/mol; ALS
Δsub140.0kJ/molN/AGeiseler, Quitzsch, et al., 1966DRB

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

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

Geiseler, Quitzsch, et al., 1966
Geiseler, V.G.; Quitzsch, K.; Rauh, H.J.; Schaffernicht, H.; Walther, H.J., Bildungsenthalpien und Mesomerieenergien von π-Bindungssystemen 1. Mitteilung: Bildungsenthalpien und Mesomerieenergien einiger mehrkerniger Aromaten und verschiedener Pseudoazulene, Ber. Bunsen-Ges. Phys. Chem., 1966, 70, 551-556. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References