Bromotrifluoromethane

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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
B - John E. Bartmess
MS - José A. Martinho Simões
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

Methyl cation + Bromotrifluoromethane = (Methyl cation • Bromotrifluoromethane)

By formula: CH3+ + CBrF3 = (CH3+ • CBrF3)

Quantity Value Units Method Reference Comment
Δr53.6kcal/molPHPMSMcMahon, Heinis, et al., 1988gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 48.3 kcal/mol; Foster, Williamson, et al., 1974; M

Chlorine anion + Bromotrifluoromethane = CBrClF3-

By formula: Cl- + CBrF3 = CBrClF3-

Quantity Value Units Method Reference Comment
Δr16.50 ± 0.20kcal/molTDAsBogdanov and McMahon, 2006gas phase; B
Quantity Value Units Method Reference Comment
Δr9.20kcal/molTDAsBogdanov and McMahon, 2006gas phase; B

Bromine anion + Bromotrifluoromethane = CBr2F3-

By formula: Br- + CBrF3 = CBr2F3-

Quantity Value Units Method Reference Comment
Δr13.90 ± 0.20kcal/molTDAsBogdanov and McMahon, 2006gas phase; B
Quantity Value Units Method Reference Comment
Δr7.28kcal/molTDAsBogdanov and McMahon, 2006gas phase; B

C6F3MnO5 (cr) + 1.5Bromine (g) = manganese dibromide (cr) + 5Carbon monoxide (g) + Bromotrifluoromethane (g)

By formula: C6F3MnO5 (cr) + 1.5Br2 (g) = Br2Mn (cr) + 5CO (g) + CBrF3 (g)

Quantity Value Units Method Reference Comment
Δr-41.3 ± 0.7kcal/molHAL-HFCConnor, Zafarani-Moattar, et al., 1982MS

C7F3MnO6 (cr) + 1.5Bromine (g) = manganese dibromide (cr) + 6Carbon monoxide (g) + Bromotrifluoromethane (g)

By formula: C7F3MnO6 (cr) + 1.5Br2 (g) = Br2Mn (cr) + 6CO (g) + CBrF3 (g)

Quantity Value Units Method Reference Comment
Δr-38.6 ± 0.5kcal/molHAL-HFCConnor, Zafarani-Moattar, et al., 1982MS

bromine chloride + Chlorotrifluoromethane = Bromotrifluoromethane + Chlorine

By formula: BrCl + CClF3 = CBrF3 + Cl2

Quantity Value Units Method Reference Comment
Δr10.69 ± 0.15kcal/molEqkCoomber and Whittle, 1967gas phase; ALS

Iodine + Bromotrifluoromethane = Methane, trifluoroiodo- + iodine bromide

By formula: I2 + CBrF3 = CF3I + BrI

Quantity Value Units Method Reference Comment
Δr9.55 ± 0.03kcal/molEqkLord, Goy, et al., 1967gas phase; ALS

Fluoroform + Bromine = Hydrogen bromide + Bromotrifluoromethane

By formula: CHF3 + Br2 = HBr + CBrF3

Quantity Value Units Method Reference Comment
Δr-3.3kcal/molEqkCorbett, Tarr, et al., 1963gas phase; At 298 K; ALS

Hydrogen bromide + Bromotrifluoromethane = Fluoroform + Bromine

By formula: HBr + CBrF3 = CHF3 + Br2

Quantity Value Units Method Reference Comment
Δr4.59 ± 0.25kcal/molEqkCoomber and Whittle, 1967, 2gas phase; ALS

Ethane, hexafluoro- + Bromine = 2Bromotrifluoromethane

By formula: C2F6 + Br2 = 2CBrF3

Quantity Value Units Method Reference Comment
Δr3.66 ± 0.14kcal/molEqkCoomber and Whittle, 1967, 3gas phase; ALS

Mass spectrum (electron ionization)

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

Spectrum

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Mass 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.
Origin Chemical Concepts
NIST MS number 191390

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UV/Visible spectrum

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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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Davidson, 1951
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 2830
Instrument Beckman DU
Melting point -172
Boiling point -57.8

References

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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]

Bogdanov and McMahon, 2006
Bogdanov, B.; McMahon, T.B., Gas phase S(N)2 reactions of halide ions with trifluoromethyl halides: Front- and back-side attack vs. complex formation, J. Phys. Chem. A, 2006, 110, 4, 1350-1363, https://doi.org/10.1021/jp0541011 . [all data]

Connor, Zafarani-Moattar, et al., 1982
Connor, J.A.; Zafarani-Moattar, M.T.; Bickerton, J.; El-Saied, N.I.; Suradi, S.; Carson, R.; Al Takkhin, G.; Skinner, H.A., Organomet., 1982, 1, 1166. [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]

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]

Corbett, Tarr, et al., 1963
Corbett, P.; Tarr, A.M.; Whittle, E., Vapour-phase bromination of fluoroform and methane, Trans. Faraday Soc., 1963, 59, 1609. [all data]

Coomber and Whittle, 1967, 2
Coomber, J.W.; Whittle, E., Bond dissociation energies from equilibrium studies. Part 1.-D(CF3-Br), D(C2F5-Br) and D(n-C3F7-Br), Trans. Faraday Soc., 1967, 63, 608-619. [all data]

Coomber and Whittle, 1967, 3
Coomber, J.W.; Whittle, E., Bond dissociation energies from equilibrium studies. Part 2.-D(CF3-CF3) and enthalpy of formation of C2F6, Trans. Faraday Soc., 1967, 63, 1394-1401. [all data]

Davidson, 1951
Davidson, N., The ultraviolet absorption spectra and the refractive indices of some fluorobromomethanes, J. Am. Chem. Soc., 1951, 73, 467-468. [all data]


Notes

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