Hydroquinone, tetrachloro-
- Formula: C6H2Cl4O2
- Molecular weight: 247.891
- IUPAC Standard InChIKey: STOSPPMGXZPHKP-UHFFFAOYSA-N
- CAS Registry Number: 87-87-6
- 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: 1,4-Benzenediol, 2,3,5,6-tetrachloro-; Tetrachloro-p-benzohydroquinone; Tetrachloro-p-hydroquinone; Tetrachlorobenzoquinol; Tetrachlorohydroquinone; 2,3,5,6-Tetrachlorohydroquinone; 2,3,5,6-Tetrachloro-1,4-benzenediol; 2,3,5,6-Tetrachlorobenzene-1,4-diol; USAF DO-62; Dihydro-p-chloranil; Nordrosophilin A; NSC 100888; Perchlorohydroquinone; Tetrachloro-1,4-benzenediol
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -110.7 | kcal/mol | Ccb | Sjostrom, 1936 | At 318 K |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -546.8 ± 2.0 | kcal/mol | Ccb | Smith, Bjellerup, et al., 1953 | Reanalyzed by Cox and Pilcher, 1970, Original value = -547. ± 2. kcal/mol |
ΔcH°solid | -544.1 | kcal/mol | Ccb | Sjostrom, 1936 | At 318 K |
ΔcH°solid | -562.8 | kcal/mol | Ccb | Swietoslawski and Starczedska, 1925 |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 21.20 | kcal/mol | V | Coolidge and Coolidge, 1927 | ALS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.3 | 313. | N/A | Stephenson and Malanowski, 1987 | Based on data from 298. to 359. K.; AC |
21.2 | 333. to 356. | QF | Coolidge and Coolidge, 1927 | See also Jones, 1960.; AC |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
8.30 ± 0.05 | PI | Potapov, Kardash, et al., 1972 |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
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 | RADIAN CORP |
NIST MS number | 73776 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sjostrom, 1936
Sjostrom, Av.G.,
De klorsubstituerade kinonernas och hydrokinonernas termokemi,
Svensk. Kim. Tidr., 1936, 48, 121-124. [all data]
Smith, Bjellerup, et al., 1953
Smith, L.; Bjellerup, L.; Krook, S.; Westermark, H.,
Heats of combustion of organic chloro compounds determined by the "quartz wool" method,
Acta Chem. Scand., 1953, 7, 65. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Swietoslawski and Starczedska, 1925
Swietoslawski, W.; Starczedska, H.,
Correction des donnees thermochimiques de M.A. Valeur,
J. Chem. Phys., 1925, 22, 399-401. [all data]
Coolidge and Coolidge, 1927
Coolidge, A.S.; Coolidge, M.S.,
The sublimation pressures of substituted quinones and hydroquinones,
J. Am. Chem. Soc., 1927, 49, 100-104. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Jones, 1960
Jones, A.H.,
Sublimation Pressure Data for Organic Compounds.,
J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019
. [all data]
Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I.,
Photoionization of heteroaromatic compounds,
Khim. Vys. Energ., 1972, 6, 392. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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