1,8-Paracyclophane

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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
Δfgas6.9 ± 2.2kcal/molCcbShieh, McNally, et al., 1969 

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-19.6 ± 1.7kcal/molCcbShieh, McNally, et al., 1969 
Quantity Value Units Method Reference Comment
Δcsolid-2843.6 ± 1.7kcal/molCcbShieh, McNally, et al., 1969Corresponding Δfsolid = -19.6 kcal/mol (simple calculation by NIST; no Washburn corrections)

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub26.5 ± 0.5kcal/molVShieh, McNally, et al., 1969ALS
Δsub26.53kcal/molN/AShieh, McNally, et al., 1969DRB
Δsub26.51 ± 0.50kcal/molN/AShieh, McNally, et al., 1969See also Pedley and Rylance, 1977.; AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Reference Comment
25.1 ± 0.31365.Shieh, McNally, et al., 1969Based on data from 354. to 376. K. See also Pedley and Rylance, 1977.; AC

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.

Shieh, McNally, et al., 1969
Shieh, C.; McNally, D.; Boyd, R.H., The heats of combustion and strain energies of some cyclophanes, Tetrahedron, 1969, 3653-3665. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., , Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [all data]


Notes

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