[18]-Annulene


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
Δfgas67.0 ± 6.0kcal/molCcbBeezer, Mortimer, et al., 1965 

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
Δfsolid39.0 ± 4.0kcal/molCcbBeezer, Mortimer, et al., 1965 
Quantity Value Units Method Reference Comment
Δcsolid-2346.8 ± 4.0kcal/molCcbBeezer, Mortimer, et al., 1965Corresponding Δfsolid = 39.0 kcal/mol (simple calculation by NIST; no Washburn corrections)

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.

Beezer, Mortimer, et al., 1965
Beezer, A.E.; Mortimer, C.T.; Springall, H.D.; Sondheimer, F.; Wolovsky, R., 33. The heat of combustion of cyclo-octadecanonaene ([18]annulene), J. Chem. Soc., 1965, 216-220. [all data]


Notes

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