Tetrafluoromethane

Formula: CF₄
Molecular weight: 88.0043
IUPAC Standard InChI: InChI=1S/CF4/c2-1(3,4)5
IUPAC Standard InChIKey: TXEYQDLBPFQVAA-UHFFFAOYSA-N
CAS Registry Number: 75-73-0
Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Other names: Carbon tetrafluoride; Methane, tetrafluoro-; Arcton 0; Carbon fluoride (CF4); Freon 14; FC 14; Perfluoromethane; CF4; Halon 14; Carbon fluoride; F 14; Halocarbon 14; R 14; UN 1982; Refrigerant 14; CFC 14; R 14 (Refrigerant); Refrigerant R 14; Methane, tetrafluo-
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Condensed phase thermochemistry data

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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
Δ_cH°_liquid	-1519.89	kJ/mol	Ccb	Price and Sapiano, 1979	ALS
Δ_cH°_liquid	-2222.3	kJ/mol	Ccb	Krech, Price, et al., 1973	ALS
Quantity	Value	Units	Method	Reference	Comment
S°_liquid	143.97	J/mol*K	N/A	Smith and Pace, 1969	DH

Constant pressure heat capacity of liquid

C_p,liquid (J/mol*K)	Temperature (K)	Reference	Comment
80.08	145.	Smith and Pace, 1969	T = 12 to 145 K. See also 69SMI/PAC.; DH

Henry's Law data

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Data compiled by: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (K)

k°_H (mol/(kg*bar))	d(ln(k_H))/d(1/T) (K)	Method	Reference	Comment
0.00019		Q	N/A	missing citation give several references for the Henry's law constants but don't assign them to specific species.
0.00021	1800.	L	N/A
0.00020		V	N/A
0.00020	1500.	M	N/A

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

GAS (100 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY; 2 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Data compiled by: Pamela M. Chu, Franklin R. Guenther, George C. Rhoderick, and Walter J. Lafferty

gas; IFS66V (Bruker); 3-Term B-H Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
gas; IFS66V (Bruker); Boxcar Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
gas; IFS66V (Bruker); Happ Genzel Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
gas; IFS66V (Bruker); NB Strong Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
gas; IFS66V (Bruker); Triangular Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution

Gas Chromatography

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Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	Porapack Q	82.	Zenkevich and Rodin, 2004	Program: not specified

References

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, IR Spectrum, Gas Chromatography, Notes

Price and Sapiano, 1979
Price, S.J.W.; Sapiano, H.J., Determination of ΔH°_f298(C₆F₁₀,g) and ΔH°_f298(C₆F₁₂,g) from studies of the combustion of decafluorocyclohexene and dodecafluorocylohexene in oxygen and calculation of the resonance energy of hexafluorobenzene, Can. J. Chem., 1979, 58, 685-688. [all data]

Krech, Price, et al., 1973
Krech, M.J.; Price, S.J.W.; Yared, W.F., Determination of the heat of formation of octafluorotoluene and calculation of D[C₆F₅-F] - D[C₆F₅-CF₃], Can. J. Chem., 1973, 51, 3662-3664. [all data]

Smith and Pace, 1969
Smith, J.H.; Pace, E.L., The thermodynamic properties of carbon tetrafluoride from 12°K to its boiling point. The significance of the parameter {nu}, J. Phys. Chem., 1969, 73, 4232-4236. [all data]

Zenkevich and Rodin, 2004
Zenkevich, I.G.; Rodin, A.A., Gas chromatographic identification of some volatile toxic fluorine containing compounds by precalculated retention indices, J. Ecol. Chem. (Rus.), 2004, 13, 1, 22-28. [all data]

Notes

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Symbols used in this document:

C_p,liquid	Constant pressure heat capacity of liquid
S°_liquid	Entropy of liquid at standard conditions
d(ln(k_H))/d(1/T)	Temperature dependence parameter for Henry's Law constant
k°_H	Henry's Law constant at 298.15K
Δ_cH°_liquid	Enthalpy of combustion of liquid at standard conditions

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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