Pentacyclo[18.2.2.2(9,12).0(4,15).0(6,17)]hexacosa-4,6(17),9,11,15,20,22,23,25-nonane

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas78.0kcal/molSemiStewart, 2004 
Δfgas97.9 ± 1.3kcal/molCcbNishiyama, Sakiyama, et al., 1980ALS

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
Δfsolid67.8 ± 1.2kcal/molCcbNishiyama, Sakiyama, et al., 1980 
Quantity Value Units Method Reference Comment
Δcsolid-3401.26 ± 0.86kcal/molCcbNishiyama, Sakiyama, et al., 1980Corresponding Δfsolid = 67.835 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:
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δsub30.09kcal/molN/ANishiyama, Sakiyama, et al., 1980DRB
Δsub30.09 ± 0.60kcal/molTSGCNishiyama, Sakiyama, et al., 1980AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
30.09 ± 0.60405.7VNishiyama, Sakiyama, et al., 1980ALS
28.47 ± 0.36299. - 412.TSGCNishiyama, Sakiyama, et al., 1980AC

UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

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Source Otsubo, et al., 1972
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 16779
Instrument unknown

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, UV/Visible spectrum, Notes

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

Stewart, 2004
Stewart, J.J.P., Comparison of the accuracy of semiempirical and some DFT methods for predicting heats of formation, J. Mol. Model, 2004, 10, 1, 6-10, https://doi.org/10.1007/s00894-003-0157-6 . [all data]

Nishiyama, Sakiyama, et al., 1980
Nishiyama, K.; Sakiyama, N.; Seki, S.; Horita, H.; Otsubo, T.; Misumi, S., Thermochemical studies on double- and triple-layered [2.2]paracyclophanes. Estimation of molecular strain energies., Bull. Chem. Soc. Jpn., 1980, 53, 869-877. [all data]

Otsubo, et al., 1972
Otsubo, T., et al., Tetrahedron Letters, 1972, 2927. [all data]


Notes

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