Undecafluoropiperidine
- Formula: C5F11N
- Molecular weight: 283.0426
- IUPAC Standard InChIKey: VCEAGMYKGZNUFL-UHFFFAOYSA-N
- CAS Registry Number: 836-77-1
- Chemical structure:
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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
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 |
---|---|---|---|---|---|
Ttriple | 274.12 | K | N/A | Good, Todd, et al., 1963 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 7.16 ± 0.05 | kcal/mol | E | Good, Todd, et al., 1963, 2 | Heat of combustion corrected for CF4 formation; ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
7.2 | 317. | A | Stephenson and Malanowski, 1987 | Based on data from 302. to 355. K. See also Good, Todd, et al., 1963, 2 and Dykyj, 1972.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.674 | 274.1 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
1.5840 | 161.0 | crystaline, III | crystaline, II | Good, Todd, et al., 1963, 2 | DH |
0.43951 | 171.9 | crystaline, II | crystaline, I | Good, Todd, et al., 1963, 2 | DH |
0.6730 | 274.12 | crystaline, I | liquid | Good, Todd, et al., 1963, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
9.837 | 161.0 | crystaline, III | crystaline, II | Good, Todd, et al., 1963, 2 | DH |
2.557 | 171.9 | crystaline, II | crystaline, I | Good, Todd, et al., 1963, 2 | DH |
2.455 | 274.12 | crystaline, I | liquid | Good, Todd, et al., 1963, 2 | DH |
References
Go To: Top, 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.,
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]
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.,
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]
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
Go To: Top, Phase change data, References
- Symbols used in this document:
Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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