Chlorotrifluoromethane
- Formula: CClF3
- Molecular weight: 104.459
- IUPAC Standard InChIKey: AFYPFACVUDMOHA-UHFFFAOYSA-N
- CAS Registry Number: 75-72-9
- 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: Monochlorotrifluoromethane; Methane, chlorotrifluoro-; Arcton 3; F 13; Freon 13; FC 13; Genetron 13; R 13; Trifluorochloromethane; Trifluoromethyl chloride; Trifluoromonochlorocarbon; CF3Cl; Halocarbon 13/ucon 13; UN 1022; CClF3; Frigen 13; Refrigerant 13; CFC-13; Chlorotrifluromethane; Halocarbon 13; Khladon 13
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Gas phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -710. ± 30. | kJ/mol | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 285.35 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1969 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 298. to 600. | 600. to 6000. |
---|---|---|
A | 10.77116 | 103.9222 |
B | 266.0384 | 2.837556 |
C | -298.3581 | -0.664553 |
D | 126.6547 | 0.051336 |
E | -0.003404 | -5.531122 |
F | -720.5936 | -755.6764 |
G | 231.1915 | 384.5083 |
H | -707.9328 | -707.9328 |
Reference | Chase, 1998 | Chase, 1998 |
Comment | Data last reviewed in June, 1969 | Data last reviewed in June, 1969 |
Reaction thermochemistry 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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: CH3+ + CClF3 = (CH3+ • CClF3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 221. | kJ/mol | PHPMS | McMahon, Heinis, et al., 1988 | gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 202. kJ/mol; Foster, Williamson, et al., 1974; M |
By formula: I2 + CClF3 = CF3I + ClI
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 72.3 ± 1.1 | kJ/mol | Eqk | Lord, Goy, et al., 1967 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 71.55 ± 0.71 kJ/mol; ALS |
By formula: BrCl + CClF3 = CBrF3 + Cl2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44.73 ± 0.63 | kJ/mol | Eqk | Coomber and Whittle, 1967 | gas phase; ALS |
Henry's Law 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 by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/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(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
0.00088 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.00094 | 1600. | L | N/A | |
0.00058 | V | N/A |
Vibrational and/or electronic energy levels
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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 by: Takehiko Shimanouchi
Symmetry: C3ν Symmetry Number σ = 3
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a1 | 1 | CF3 s-str | 1105 | C | 1105 VS | gas | 1106 W p | gas | ||
a1 | 2 | CCl str | 781 | C | 781 S | gas | 781.7 VS p | gas | ||
a1 | 3 | CF3 s-deform | 476 | C | 475.8 S p | gas | ||||
e | 4 | CF3 d-str | 1212 | C | 1212 VS | gas | 1217 W dp | gas | ||
e | 5 | CF3 d-deform | 563 | C | 563 M | gas | 560 W dp | gas | ||
e | 6 | CCl bend | 350 | C | 350 M dp | gas | ||||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
p | Polarized |
dp | Depolarized |
C | 3~6 cm-1 uncertainty |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
McMahon, Heinis, et al., 1988
McMahon, T.; Heinis, T.; Nicol, G.; Hovey, J.K.; Kebarle, P.,
Methyl Cation Affinities,
J. Am. Chem. Soc., 1988, 110, 23, 7591, https://doi.org/10.1021/ja00231a002
. [all data]
Foster, Williamson, et al., 1974
Foster, M.S.; Williamson, A.D.; Beauchamp, J.L.,
Photoionization mass spectrometry of trans-azomethane,
Int. J. Mass Spectrom. Ion Phys., 1974, 15, 429. [all data]
Lord, Goy, et al., 1967
Lord, A.; Goy, C.A.; Pritchard, H.O.,
The heats of formation of trifluoromethyl chloride and bromide,
J. Phys. Chem., 1967, 71, 2705-2707. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Coomber and Whittle, 1967
Coomber, J.W.; Whittle, E.,
Bond dissociation energies from equilibrium studies. Part 3.-D(CF3-Cl), D(C2F5-Cl) and the enthalpy of formation of CF3Cl,
Trans. Faraday Soc., 1967, 63, 2656-2667. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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