Tetrafluoromethane
- Formula: CF4
- Molecular weight: 88.0043
- 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
The 3d structure may be viewed using Java or Javascript. - 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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Reaction thermochemistry data
Go To: Top, Mass spectrum (electron ionization), 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
MS - José A. Martinho Simões
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: (F- • 4CF4) + CF4 = (F- • 5CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.4 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19. | cal/mol*K | N/A | Hiraoka, Nasu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |
By formula: (CF3- • 3CF4) + CF4 = (CF3- • 4CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.4 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | N/A | Hiraoka, Nasu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |
By formula: CF4 + 2H2O = CO2 + 4HF
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -41.5 ± 1.0 | kcal/mol | Cm | Good, Scott, et al., 1956 | gas phase; HF has 10 moles H2O, see Scott, Good, et al., 1955; ALS |
ΔrH° | -41.5 ± 1.0 | kcal/mol | Cm | Scott, Good, et al., 1955 | gas phase; Heat of hydrolysis; ALS |
By formula: (CF3+ • 2CF4) + CF4 = (CF3+ • 3CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.9 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
By formula: (CF3+ • 3CF4) + CF4 = (CF3+ • 4CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.8 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
By formula: (CF3+ • CF4) + CF4 = (CF3+ • 2CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.9 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
By formula: (CHF4+ • 2CF4) + CF4 = (CHF4+ • 3CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.3 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 16. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
By formula: (CHF4+ • CF4) + CF4 = (CHF4+ • 2CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.8 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 11. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
By formula: (F- • 2CF4) + CF4 = (F- • 3CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.1 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
By formula: (F- • 3CF4) + CF4 = (F- • 4CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.9 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
By formula: (CF3- • 2CF4) + CF4 = (CF3- • 3CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.4 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
By formula: (F- • CF4) + CF4 = (F- • 2CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.9 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
By formula: (CF3- • CF4) + CF4 = (CF3- • 2CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.4 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
By formula: C4H9+ + CF4 = (C4H9+ • CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.4 | kcal/mol | PHPMS | Sharma, Meza de Hojer, et al., 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 10.4 | cal/mol*K | PHPMS | Sharma, Meza de Hojer, et al., 1985 | gas phase; M |
By formula: CF3+ + CF4 = (CF3+ • CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.6 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
By formula: CHF4+ + CF4 = (CHF4+ • CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.1 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
By formula: F- + CF4 = (F- • CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.4 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
By formula: CF3- + CF4 = (CF3- • CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.6 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -10.9 ± 2.2 | kcal/mol | Eqk | Amphlett, Dacey, et al., 1971 | gas phase; Heat of Decomposition third law at 1200 K; ALS |
By formula: 2C2F11N5 = 4CF4 + 5N2 + 3F2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -719.2 ± 3.2 | kcal/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
CF5N = + 0.5 + 0.5
By formula: CF5N = CF4 + 0.5N2 + 0.5F2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -54.0 ± 0.4 | kcal/mol | Ccb | Walker, 1972 | gas phase; Decompostion reaction; ALS |
+ 0.5 + 0.5 = CF5N
By formula: CF4 + 0.5N2 + 0.5F2 = CF5N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.0 ± 0.4 | kcal/mol | Ccb | Walker, 1972 | gas phase; Decompostion reaction; ALS |
By formula: 2CF7N3 = 2CF4 + 3N2 + 3F2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -350.6 | kcal/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
By formula: 2CF5N3 = 2CF4 + 3N2 + F2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -492.0 | kcal/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
By formula: CF8N4 = CF4 + 2N2 + 2F2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -223.5 | kcal/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
By formula: CF6N2 = CF4 + N2 + F2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -114.3 | kcal/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
By formula: C5O5W (g) + CF4 (g) = C6F4O5W (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | <-5.00 | kcal/mol | EqG | Brown, Ishikawa, et al., 1990 | Temperature range: ca. 300-350 K; MS |
By formula: 3C2F3N + 5F3N = 6CF4 + 4N2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -824.40 ± 0.22 | kcal/mol | Eqk | Walker, Sinke, et al., 1970 | gas phase; ALS |
By formula: 4Na + CF4 = C + 4FNa
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -325.5 ± 2.2 | kcal/mol | Ccb | Vorob'ev and Skuratov, 1960 | gas phase; ALS |
By formula: CF4 + 4HF = CH4 + 4F2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -459.3 ± 3.0 | kcal/mol | Cm | Jessup, McCoskey, et al., 1955 | gas phase; ALS |
By formula: 3C2F6 + 2F3N = 6CF4 + N2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -311.7 ± 3.0 | kcal/mol | Ccb | Sinke, 1966 | gas phase; ALS |
By formula: (CHF4+ • 3CF4) + CF4 = (CHF4+ • 4CF4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.3 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -247.92 | kcal/mol | Ccb | Domalski and Armstrong, 1967 | solid phase; ALS |
Mass spectrum (electron ionization)
Go To: Top, Reaction 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 701 |
References
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hiraoka, Nasu, et al., 1995
Hiraoka, K.; Nasu, M.; Fujimaki, S.; Ignacio, E.W.; Yamabe, S.,
Weak Ion-Molecule Complexes of F-(CF4)n and CF3-(CF4)n,
Chem Phys. Let., 1995, 245, 1, 14, https://doi.org/10.1016/0009-2614(95)00980-I
. [all data]
Good, Scott, et al., 1956
Good, W.D.; Scott, D.W.; Waddington, G.,
Combustion calorimetry of organic fluorine compounds by a rotating-bomb method,
J. Phys. Chem., 1956, 60, 1080-1089. [all data]
Scott, Good, et al., 1955
Scott, D.W.; Good, W.D.; Waddington, G.,
Heat of formation of tetrafluoromethane from combustion calorimetry of polytetrafluoroethylene,
J. Am. Chem. Soc., 1955, 77, 245-246. [all data]
Hiraoka, Nasu, et al., 1996
Hiraoka, K.; Nasu, M.; Fujimaki, S.; Ignacio, E.W.; Yamabe, S.,
Gas-Phase Stability and Structure of the Cluster Ions CF3+(CO)n, CF3+(N2)n, CF3+((CF4)n, and CF4H+(CF4)n,
J. Phys. Chem., 1996, 100, 13, 5245, https://doi.org/10.1021/jp9530010
. [all data]
Sharma, Meza de Hojer, et al., 1985
Sharma, D.M.S.; Meza de Hojer, S.; Kebarle, P.,
Stabilities of halonium ions from a study of gas-phase equilibria R+ + XR' = (RXR')+,
J. Am. Chem. Soc., 1985, 107, 13, 3757, https://doi.org/10.1021/ja00299a002
. [all data]
Amphlett, Dacey, et al., 1971
Amphlett, J.C.; Dacey, J.R.; Pritchard, G.O.,
An investigation of the reaction 2COF2 = CO2 + CF4 and the heat of formation of carbonyl fluoride,
J. Phys. Chem., 1971, 75, 3024-3026. [all data]
Sinke, Thompson, et al., 1967
Sinke, G.C.; Thompson, C.J.; Jostad, R.E.; Walker, L.C.; Swanson, A.C.; Stull, D.R.,
Enthalpies of formation and bond energies of some fluoramines,
J. Chem. Phys., 1967, 47, 1852-1854. [all data]
Walker, 1972
Walker, L.C.,
The enthalpy of decomposition of CF3NF2(g) to CF4(g), N2(g), and F2(g),
J. Chem. Thermodyn., 1972, 4, 219-223. [all data]
Brown, Ishikawa, et al., 1990
Brown, C.E.; Ishikawa, Y.; Hackett, P.A.; Rayner, D.M.,
J. Am. Chem. Soc., 1990, 112, 2530. [all data]
Walker, Sinke, et al., 1970
Walker, L.C.; Sinke, G.C.; Perettie, D.J.; Janz, G.J.,
Enthalpy of formation of trifluoroacetonitrile,
J. Am. Chem. Soc., 1970, 92, 4525-4526. [all data]
Vorob'ev and Skuratov, 1960
Vorob'ev, A.F.; Skuratov, S.M.,
Standard enthalpies of formation of CF4,
Zh. Neorg. Khim., 1960, 5, 1398-1401. [all data]
Jessup, McCoskey, et al., 1955
Jessup, R.S.; McCoskey, R.E.; Nelson, R.A.,
The heat of formation of tetrafluoromethane,
J. Am. Chem. Soc., 1955, 77, 244-245. [all data]
Sinke, 1966
Sinke, G.C.,
The heat of reaction of nitrogen trifluoride and hexafluoroethane,
J. Phys. Chem., 1966, 70, 1326-1327. [all data]
Domalski and Armstrong, 1967
Domalski, E.S.; Armstrong, G.T.,
The heats of combustion of polytetrafluoroethylene (teflon) and graphite in elemental fluorine,
J. Res. NBS, 1967, 71, 105-118. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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