Methane, bromotrichloro-

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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-42. ± 1.kJ/molEqkMendenhall, Golden, et al., 1973see Benson, 1965
Δfgas-39.kJ/molKinSullivan and Davidson, 1951 

Gas phase ion energetics 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
11.05 ± 0.02PIWang and Leroi, 1983LBLHLM
10.6PENovak, Cvitas, et al., 1981LLK
10.91PENovak, Cvitas, et al., 1981Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CCl3+10.9 ± 0.1BrEIFarmer, Henderson, et al., 1956RDSH

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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Additional Data

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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-IW-5645
NIST MS number 228694

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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:   C     Symmetry Number σ = 3


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1 1 CCl3 s-str 716  C 719 VS liq. 716.3 p liq.
a1 2 CBr str 422  C 420 W liq. 422.3 p liq.
a1 3 CCl3 s-deform 247  C 247.3 p liq.
e 4 CCl3 d-str 775  C 773 VS liq. 775.3 dp liq.
e 5 CBr bend 295  C 294 W liq. 295.0 dp liq.
e 6 CCl3 d-deform 193  C 193.3 dp liq.

Source: Shimanouchi, 1972

Notes

VSVery strong
WWeak
pPolarized
dpDepolarized
C3~6 cm-1 uncertainty

References

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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.

Mendenhall, Golden, et al., 1973
Mendenhall, G.D.; Golden, D.M.; Benson, S.W., Thermochemistry of the bromination of carbon tetrachloride and the heat of formation of carbon tetrachloride, J. Phys. Chem., 1973, 77, 2707-2709. [all data]

Benson, 1965
Benson, S.W., Thermochemistry of the bromination of chloroform and the heat of formation of the CCl3 radical, J. Chem. Phys., 1965, 43, 2044-2046. [all data]

Sullivan and Davidson, 1951
Sullivan, J.H.; Davidson, N., The kinetics of the forward and reverse reactions for the vapor phase thermal bromination of chloroform, J. Chem. Phys., 1951, 19, 143-148. [all data]

Wang and Leroi, 1983
Wang, F.C.-Y.; Leroi, G.E., Photoionization and fragmentation of halogenated methanes, Ann. Isr. Phys. Soc., 1983, 6, 210. [all data]

Novak, Cvitas, et al., 1981
Novak, I.; Cvitas, T.; Klasinc, L.; Gusten, H., Photoelectron spectra of some halogenomethanes, J. Chem. Soc. Faraday Trans. 2, 1981, 77, 2049. [all data]

Farmer, Henderson, et al., 1956
Farmer, J.B.; Henderson, I.H.S.; Lossing, F.P.; Marsden, D.G.H., Free radicals by mass spectrometry. IX. Ionization potentials of CF3 and CCl3 radicals and bond dissociation energies in some derivatives, J. Chem. Phys., 1956, 24, 348. [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]


Notes

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