Quinuclidine

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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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple430.0KN/AWestrum and Wong, 1970Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δsub50.8kJ/molN/AWong and Westrum, 1971DRB
Δsub50.8 ± 0.2kJ/molN/ABrown and Sujishi, 1948Based on data from 273. to 362. K. See also Cox and Pilcher, 1970 and Jones, 1960.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
5.86430.Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
26.53196.Domalski and Hearing, 1996CAL
13.81430.

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
5.226196.crystaline, IIcrystaline, IWestrum, Wong, et al., 1970Transition region 190 to 200 K; maximum at 196 K. Entropy change obtained by difference of integrated heat input and lattice (extrapolated Cp) contribution.; DH
5.860430.crystaline, IliquidWestrum, Wong, et al., 1970DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
26.52196.crystaline, IIcrystaline, IWestrum, Wong, et al., 1970Transition; DH
13.6430.crystaline, 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

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

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]

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]

Brown and Sujishi, 1948
Brown, Herbert C.; Sujishi, Sei, Dissociation of the Addition Compound of Trimethylboron with Quinuclidine; Further Evidence for the Steric Configuration of Triethylamine 1, J. Am. Chem. Soc., 1948, 70, 9, 2878-2881, https://doi.org/10.1021/ja01189a013 . [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Jones, 1960
Jones, A.H., Sublimation Pressure Data for Organic Compounds., J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019 . [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]

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]


Notes

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