Perfluoromethyldiethylamine
- Formula: C5F13N
- Molecular weight: 321.0394
- IUPAC Standard InChIKey: KMPITNDOTGKQSE-UHFFFAOYSA-N
- CAS Registry Number: 758-48-5
- Chemical structure:
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Condensed phase thermochemistry data
Go To: Top, Phase change data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°liquid | 475.09 | J/mol*K | N/A | Zhogin, Kosarukina, et al., 1980 |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
337.46 | 298.15 | Zhogin, Kosarukina, et al., 1980 | T = 6 to 300 K. |
Phase change data
Go To: Top, Condensed phase thermochemistry data, References, Notes
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
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 150.1 | K | N/A | Golovanova and Kolesov, 1984 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 149.64 | K | N/A | Zhogin, Kosarukina, et al., 1980, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 29.4 ± 0.4 | kJ/mol | N/A | Varushchenko, Ammar, et al., 1977 | AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.600 | 150.1 | Golovanova and Kolesov, 1984, 2 | DH |
7.16 | 149.7 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
30.6 | 150.1 | Golovanova and Kolesov, 1984, 2 | DH |
Temperature of phase transition
Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|
102.4 | crystaline, III | crystaline, II | Zhogin, Kosarukina, et al., 1980 | Metastable phase is a supercooled liquid in the range 102.4 to 126.0 K and forms a glass at 102.4 K.; DH |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
5.5321 | 126.0 | crystaline, II | crystaline, I | Zhogin, Kosarukina, et al., 1980 | DH |
7.1576 | 149.64 | crystaline, I | liquid | Zhogin, Kosarukina, et al., 1980 | Monotropic transition from metastable to stable phase.; DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
43.89 | 126.0 | crystaline, II | crystaline, I | Zhogin, Kosarukina, et al., 1980 | DH |
47.86 | 149.64 | crystaline, I | liquid | Zhogin, Kosarukina, et al., 1980 | Monotropic; DH |
References
Go To: Top, 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.
Zhogin, Kosarukina, et al., 1980
Zhogin, D.Yu.; Kosarukina, E.A.; Kolesov, V.P.,
Heat capacity, phase transformations, and thermodynamic functions of perfluoro(N,methyldiethyl)amine,
Zhur. Obshch. Khim., 1980, 50, 249-255. [all data]
Golovanova and Kolesov, 1984
Golovanova, Y.G.; Kolesov, V.P.,
Enthalpies of melting, melting temperatures, and cryoscopic constants of some haloorganic compounds,
Vestn. Mosk. Univ., Ser. 2: Khim., 1984, 25, 244. [all data]
Zhogin, Kosarukina, et al., 1980, 2
Zhogin, D.Yu.; Kosarukina, E.A.; Kolesov, V.P.,
Heat capacity, phase transformations, and thermodynamic functions of perfluoromethyldiethylamine,
Zh. Obshch. Khim., 1980, 50, 249. [all data]
Varushchenko, Ammar, et al., 1977
Varushchenko, R.M.; Ammar, M.M.; Bulgakova, L.L.,
Zh. Fiz. Khim., 1977, 51, 278. [all data]
Golovanova and Kolesov, 1984, 2
Golovanova, Yu.G.; Kolesov, V.P.,
Enthalpies of melting, melting temperatures, and cryoscopic constants of some haloorganic compounds, Vestn. Mosk Univ.,
Ser. 2: Khim., 1984, 25(3), 244-248. [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, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Tfus Fusion (melting) point Ttriple Triple point temperature Ttrs Temperature of phase transition ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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