Undecafluoropiperidine

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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-478.9 ± 1.2kcal/molCcbGood, Todd, et al., 1963Reanalyzed by Cox and Pilcher, 1970, Original value = -475.78 kcal/mol; Heat of combustion corrected for CF4 formation
Δfgas-476.8kcal/molCcrGood and Scott, 1959Private communication

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

Quantity Value Units Method Reference Comment
Δfliquid-495.1 ± 1.1kcal/molCcbGood, Todd, et al., 1963Reanalyzed by Cox and Pilcher, 1970, Original value = -482.94 kcal/mol; Heat of combustion corrected for CF4 formation; ALS
Δfliquid-482.9kcal/molCcrGood and Scott, 1959Private communication; ALS
Quantity Value Units Method Reference Comment
Δcliquid-349.8 ± 0.8kcal/molCcbGood, Todd, et al., 1963Heat of combustion corrected for CF4 formation; ALS
Quantity Value Units Method Reference Comment
liquid94.020cal/mol*KN/AGood, Todd, et al., 1963DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
70.930298.15Good, Todd, et al., 1963T = 12 to 320 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple274.12KN/AGood, Todd, et al., 1963, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δvap7.16 ± 0.05kcal/molEGood, Todd, et al., 1963Heat of combustion corrected for CF4 formation; ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.2317.AStephenson and Malanowski, 1987Based on data from 302. to 355. K. See also Good, Todd, et al., 1963 and Dykyj, 1972.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
0.674274.1Domalski and Hearing, 1996AC

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
1.5840161.0crystaline, IIIcrystaline, IIGood, Todd, et al., 1963DH
0.43951171.9crystaline, IIcrystaline, IGood, Todd, et al., 1963DH
0.6730274.12crystaline, IliquidGood, Todd, et al., 1963DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
9.837161.0crystaline, IIIcrystaline, IIGood, Todd, et al., 1963DH
2.557171.9crystaline, IIcrystaline, IGood, Todd, et al., 1963DH
2.455274.12crystaline, IliquidGood, Todd, et al., 1963DH

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.

Good, Todd, et al., 1963
Good, W.D.; Todd, S.S.; Messerly, J.F.; Lacina, J.L.; Dawson, J.P.; Scott, D.W.; McCullough, J.P., Perfluoropiperidine: Entropy, heat of formation, and vapor pressure; N-F bond energy; and solid-state transitions, J. Phys. Chem., 1963, 67, 1306-1311. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Good and Scott, 1959
Good, W.D.; Scott, D.W., Thermochemistry of organic fluorine compounds and carbon compounds of metals by rotating-bomb calorimetry, Symposium uber Thermodynamik, Freitag, 1959, 1-7. [all data]

Good, Todd, et al., 1963, 2
Good, W.D.; Todd, S.S.; Messerly, J.F.; Lacina, J.L.; Dawson, J.P.; Scott, D.W.; McCullough, J.P., Perflouropiperidine: Entropy, heat of formation, and vapor pressure; N-F bond energy; and solid-state transitions., J. Phys. Chem., 1963, 67, 1306-11. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [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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