3-Oxabicyclo[3,2,2]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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-222.6 ± 1.0kJ/molCcrWong and Westrum, 1971 

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 as indicated in comments:
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
liquid236.27J/mol*KN/AWestrum, Wong, et al., 1970DH
Quantity Value Units Method Reference Comment
Δfsolid-275.7 ± 0.84kJ/molCcrWong and Westrum, 1971ALS
Quantity Value Units Method Reference Comment
Δcsolid-4873.27 ± 0.88kJ/molCcrWong and Westrum, 1971Corresponding Δfsolid = -275.6 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
185.06298.15Westrum, Wong, et al., 1970T = 5 to 477 K.; DH

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple448.43KN/AWestrum and Wong, 1970Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δsub53.1kJ/molN/AWong and Westrum, 1971DRB

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
6.75448.4Domalski and Hearing, 1996AC

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
7.017208.5crystaline, IIcrystaline, IWestrum, Wong, et al., 1970Transition region 160 to 220 K, maximum at 208.5 K. Entropy change obtained by difference of integrated heat input and lattice (extrapolated Cp) contribution.; DH
6.753448.43crystaline, IliquidWestrum, Wong, et al., 1970DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
34.39208.5crystaline, IIcrystaline, IWestrum, Wong, et al., 1970Transition; DH
15.06448.43crystaline, IliquidWestrum, Wong, et al., 1970DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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.

Wong and Westrum, 1971
Wong, S.S.; Westrum, E.F., Jr., Enthalpies of formation of globular molecules. II. Three bicyclooctanes and two bicyclononanes, J. Am. Chem. Soc., 1971, 93, 5317-5321. [all data]

Westrum, Wong, et al., 1970
Westrum, E.F., Jr.; Wong, W-K.; Morawetz, E., Thermodynamics of globular molecules. XVIII. Heat capacities and transitional behavior of 1-azabicyclo[2.2.2]octane and 3-oxabicyclo[3.2.2]nonane. Sublimation behavior of five globular molecules, J. Phys. Chem., 1970, 74, 2542-2547. [all data]

Westrum and Wong, 1970
Westrum, E.F.; Wong, W.-K., Thermodynamics of globular molecules. XVIII. Heat capacities and transitional behavior of 1-azabicyclo[2.2.2]octane and 3-oxabicyclo[3.2.2] nonane..................., J. Phys. Chem., 1970, 74, 2542. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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