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

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.

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]


Notes

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