Chlorotrifluoromethane
- Formula: CClF3
- Molecular weight: 104.459
- IUPAC Standard InChI: InChI=1S/CClF3/c2-1(3,4)5
- 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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Reaction thermochemistry data
Go To: Top, Vibrational and/or electronic energy levels, 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
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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 |
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, Reaction thermochemistry 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.
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, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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