Perfluoromethyldiethylamine

Formula: C₅F₁₃N
Molecular weight: 321.0394
IUPAC Standard InChI: InChI=1S/C5F13N/c6-1(7,8)3(12,13)19(5(16,17)18)4(14,15)2(9,10)11
IUPAC Standard InChIKey: KMPITNDOTGKQSE-UHFFFAOYSA-N
CAS Registry Number: 758-48-5
Chemical structure:
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Condensed phase thermochemistry data

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Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity	Value	Units	Method	Reference	Comment
S°_liquid	113.55	cal/mol*K	N/A	Zhogin, Kosarukina, et al., 1980

Constant pressure heat capacity of liquid

C_p,liquid (cal/mol*K)	Temperature (K)	Reference	Comment
80.655	298.15	Zhogin, Kosarukina, et al., 1980	T = 6 to 300 K.

Phase change data

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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
T_fus	150.1	K	N/A	Golovanova and Kolesov, 1984	Uncertainty assigned by TRC = 0.2 K; TRC
Quantity	Value	Units	Method	Reference	Comment
T_triple	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
Δ_vapH°	7.03 ± 0.1	kcal/mol	N/A	Varushchenko, Ammar, et al., 1977	AC

Enthalpy of fusion

Δ_fusH (kcal/mol)	Temperature (K)	Reference	Comment
1.099	150.1	Golovanova and Kolesov, 1984, 2	DH
1.71	149.7	Domalski and Hearing, 1996	AC

Entropy of fusion

Δ_fusS (cal/mol*K)	Temperature (K)	Reference	Comment
7.31	150.1	Golovanova and Kolesov, 1984, 2	DH

Temperature of phase transition

T_trs (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

ΔH_trs (kcal/mol)	Temperature (K)	Initial Phase	Final Phase	Reference	Comment
1.3222	126.0	crystaline, II	crystaline, I	Zhogin, Kosarukina, et al., 1980	DH
1.7107	149.64	crystaline, I	liquid	Zhogin, Kosarukina, et al., 1980	Monotropic transition from metastable to stable phase.; DH

Entropy of phase transition

ΔS_trs (cal/mol*K)	Temperature (K)	Initial Phase	Final Phase	Reference	Comment
10.49	126.0	crystaline, II	crystaline, I	Zhogin, Kosarukina, et al., 1980	DH
11.44	149.64	crystaline, I	liquid	Zhogin, Kosarukina, et al., 1980	Monotropic; DH

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, Condensed phase thermochemistry data, Phase change data, Notes

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:

C_p,liquid	Constant pressure heat capacity of liquid
S°_liquid	Entropy of liquid at standard conditions
T_fus	Fusion (melting) point
T_triple	Triple point temperature
T_trs	Temperature of phase transition
ΔH_trs	Enthalpy of phase transition
ΔS_trs	Entropy of phase transition
Δ_fusH	Enthalpy of fusion
Δ_fusS	Entropy of fusion
Δ_vapH°	Enthalpy of vaporization at standard conditions

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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