Carbon tetrabromide

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

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Individual Reactions

C8H6MoO3 (solution) + Carbon tetrabromide (solution) = Cyclopentadienylmolybdenumtricarbonyl bromide (solution) + Methane, tribromo- (solution)

By formula: C8H6MoO3 (solution) + CBr4 (solution) = C8H5BrMoO3 (solution) + CHBr3 (solution)

Quantity Value Units Method Reference Comment
Δr-34.4 ± 2.0kcal/molRSCNolan, López de la Vega, et al., 1986solvent: Tetrahydrofuran; The enthalpy of solution of Mo(Cp)(CO)3(H)(cr) was measured as 2.1 ± 0.1 kcal/mol Nolan, López de la Vega, et al., 1986, 2. Reaction temperature: 323 K; MS

Methane, tribromo- + Bromine = Hydrogen bromide + Carbon tetrabromide

By formula: CHBr3 + Br2 = HBr + CBr4

Quantity Value Units Method Reference Comment
Δr-1.7 ± 0.7kcal/molEqkKing, Golden, et al., 1971gas phase; ALS

C10H12Mo (cr) + 2Carbon tetrabromide (cr) = C10H10Br2Mo (cr) + 2Methane, tribromo- (l)

By formula: C10H12Mo (cr) + 2CBr4 (cr) = C10H10Br2Mo (cr) + 2CHBr3 (l)

Quantity Value Units Method Reference Comment
Δr-70.9 ± 1.1kcal/molRSCCalado, Dias, et al., 1980MS

C10H12W (cr) + 2Carbon tetrabromide (cr) = C10H10Br2W (cr) + 2Methane, tribromo- (l)

By formula: C10H12W (cr) + 2CBr4 (cr) = C10H10Br2W (cr) + 2CHBr3 (l)

Quantity Value Units Method Reference Comment
Δr-72.30 ± 0.53kcal/molRSCCalado, Dias, et al., 1980MS

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 Japan AIST/NIMC Database- Spectrum MS-NW-2301
NIST MS number 230282

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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, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, 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 Dorr and Buttgereit, 1971
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. 19862
Instrument Zeiss PMQ II
Melting point 91.5-92

References

Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Nolan, López de la Vega, et al., 1986
Nolan, S.P.; López de la Vega, R.; Hoff, C.D., J. Organometal. Chem., 1986, 315, 187. [all data]

Nolan, López de la Vega, et al., 1986, 2
Nolan, S.P.; López de la Vega, R.; Hoff, C.D., Organometallics, 1986, 5, 2529. [all data]

King, Golden, et al., 1971
King, K.D.; Golden, D.M.; Benson, S.W., Kinetics and thermochemistry of the gas-phase bromination of bromoform. The C-H bond dissociation energy in CHBr3 and the C-Br bond dissociation energy in CBr4, J. Phys. Chem., 1971, 75, 987-989. [all data]

Calado, Dias, et al., 1980
Calado, J.C.G.; Dias, A.R.; Martinho Simões, J.A., J. Organometal. Chem., 1980, 195, 203. [all data]

Dorr and Buttgereit, 1971
Dorr, F.; Buttgereit, G., UV atlas of organic compounds, 1971, 5, I/1. [all data]


Notes

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