Carbon tetrabromide
- Formula: CBr4
- Molecular weight: 331.627
- IUPAC Standard InChI: InChI=1S/CBr4/c2-1(3,4)5
- IUPAC Standard InChIKey: HJUGFYREWKUQJT-UHFFFAOYSA-N
- CAS Registry Number: 558-13-4
- 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: Methane, tetrabromo-; Carbon bromide (CBr4); Methane tetrabromide; Tetrabromomethane; CBr4; Carbon bromide; Bromid uhlicity; UN 2516; NSC 6179
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Reaction thermochemistry data
Go To: Top, 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:
MS - José A. Martinho Simões
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
C8H6MoO3 (solution) + (solution) =
(solution) +
(solution)
By formula: C8H6MoO3 (solution) + CBr4 (solution) = C8H5BrMoO3 (solution) + CHBr3 (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -143.9 ± 8.4 | kJ/mol | RSC | Nolan, López de la Vega, et al., 1986 | solvent: Tetrahydrofuran; The enthalpy of solution of Mo(Cp)(CO)3(H)(cr) was measured as 8.8 ± 0.4 kJ/mol Nolan, López de la Vega, et al., 1986, 2. Reaction temperature: 323 K; MS |
+
=
+
By formula: CHBr3 + Br2 = HBr + CBr4
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -7. ± 3. | kJ/mol | Eqk | King, Golden, et al., 1971 | gas phase; ALS |
C10H12Mo (cr) + 2 (cr) = C10H10Br2Mo (cr) + 2
(l)
By formula: C10H12Mo (cr) + 2CBr4 (cr) = C10H10Br2Mo (cr) + 2CHBr3 (l)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -296.5 ± 4.5 | kJ/mol | RSC | Calado, Dias, et al., 1980 | MS |
C10H12W (cr) + 2 (cr) = C10H10Br2W (cr) + 2
(l)
By formula: C10H12W (cr) + 2CBr4 (cr) = C10H10Br2W (cr) + 2CHBr3 (l)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -302.5 ± 2.2 | kJ/mol | RSC | Calado, Dias, et al., 1980 | MS |
References
Go To: Top, Reaction thermochemistry data, 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]
Notes
Go To: Top, Reaction thermochemistry data, 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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