Benzene, 1,2,3,4-tetrachloro-
- Formula: C6H2Cl4
- Molecular weight: 215.892
- IUPAC Standard InChIKey: GBDZXPJXOMHESU-UHFFFAOYSA-N
- CAS Registry Number: 634-66-2
- 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: 1,2,3,4-Tetrachlorobenzene
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Reaction thermochemistry data
Go To: Top, Henry's Law data, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C6HCl4- + =
By formula: C6HCl4- + H+ = C6H2Cl4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1541. ± 8.8 | kJ/mol | G+TS | Schlosser, Marzi, et al., 2001 | gas phase; Acid: 1,2,3,4-tetrachlorobenzene. Anion assigned based on ab initio calculations. |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1507. ± 8.4 | kJ/mol | IMRE | Schlosser, Marzi, et al., 2001 | gas phase; Acid: 1,2,3,4-tetrachlorobenzene. Anion assigned based on ab initio calculations. |
Henry's Law data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference |
---|---|---|---|
1.3 | 4800. | X | N/A |
0.39 | L | N/A |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Henry's Law data, 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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.9 | PE | Ruscic, Klasinc, et al., 1981 | LLK |
9.23 ± 0.03 | PE | Ruscic, Klasinc, et al., 1981 | Vertical value; LLK |
9.11 | PE | Streets and Ceasar, 1973 | Vertical value; LLK |
De-protonation reactions
C6HCl4- + =
By formula: C6HCl4- + H+ = C6H2Cl4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1541. ± 8.8 | kJ/mol | G+TS | Schlosser, Marzi, et al., 2001 | gas phase; Acid: 1,2,3,4-tetrachlorobenzene. Anion assigned based on ab initio calculations.; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1507. ± 8.4 | kJ/mol | IMRE | Schlosser, Marzi, et al., 2001 | gas phase; Acid: 1,2,3,4-tetrachlorobenzene. Anion assigned based on ab initio calculations.; B |
References
Go To: Top, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Schlosser, Marzi, et al., 2001
Schlosser, M.; Marzi, E.; Cottet, F.; Buker, H.H.; Nibbering, N.M.M.,
The acidity of chloro-substituted benzenes: A comparison of gas phase, ab initio, and kinetic data,
Chem. Eur. J., 2001, 7, 16, 3511-3516, https://doi.org/10.1002/1521-3765(20010817)7:16<3511::AID-CHEM3511>3.0.CO;2-U
. [all data]
Ruscic, Klasinc, et al., 1981
Ruscic, B.; Klasinc, L.; Wolf, A.; Knop, J.V.,
Photoelectron spectra of and Ab initio calculations on chlorobenzenes. 2. Trichlorobenzenes, tetrachlorobenzenes, and pentachlorobenzene,
J. Phys. Chem., 1981, 85, 1490. [all data]
Streets and Ceasar, 1973
Streets, D.G.; Ceasar, G.P.,
Inductive mesomeric effects on the π orbitals of halobenzenes,
Mol. Phys., 1973, 26, 1037. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, References
- Symbols used in this document:
d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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