Phenol, 2-chloro-
- Formula: C6H5ClO
- Molecular weight: 128.556
- IUPAC Standard InChIKey: ISPYQTSUDJAMAB-UHFFFAOYSA-N
- CAS Registry Number: 95-57-8
- 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: Phenol, o-chloro-; o-Chlorophenol; 2-Chlorophenol; 2-Hydroxychlorobenzene; o-Chlorphenol; Rcra waste number U048; 1-Chloro-2-hydroxybenzene; NSC 2870; o-Chlorophenic acid
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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: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
45.10 | 283. | Bramley, 1916 | Mean value, 0 to 20°C. |
Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 448.1 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 448.9 | K | N/A | Fort and Moore, 1965 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tboil | 450.0 | K | N/A | Lecat, 1947 | Uncertainty assigned by TRC = 0.7 K; TRC |
Tboil | 448.15 | K | N/A | Bramley, 1916, 2 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 283.0 | K | N/A | Poeti, Faneli, et al., 1982 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 282. | K | N/A | Dreisbach, 1955 | Uncertainty assigned by TRC = 0.02 K; TRC |
Tfus | 281.15 | K | N/A | Bramley, 1916, 2 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 281.15 | K | N/A | Bramley, 1916, 3 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.5 ± 0.05 | kcal/mol | GS | Verevkin, Emel'yanenko, et al., 2007 | Based on data from 288. to 321. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.4 | 305. | GS | Verevkin, Emel'yanenko, et al., 2007 | Based on data from 288. to 321. K.; AC |
11.2 | 352. | N/A | Gabaldon, Marzal, et al., 1995 | Based on data from 337. to 447. K.; AC |
11.3 | 369. | A | Stephenson and Malanowski, 1987 | Based on data from 354. to 448. K.; AC |
12.0 | 348. | A | Stephenson and Malanowski, 1987 | Based on data from 333. to 449. K. See also Kiva, Nadutkina, et al., 1974.; AC |
10.8 | 300. | N/A | Stull, 1947 | Based on data from 285. to 447. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.9931 | 283.0 | Poeti, Fanelli, et al., 1982 | DH |
2.992 | 283. | Acree, 1991 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.58 | 283.0 | Poeti, Fanelli, et al., 1982 | DH |
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 as indicated in comments:
B - John E. Bartmess
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C6H5ClO+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.28 | EI | Crable and Kearns, 1962 | RDSH |
De-protonation reactions
C6H4ClO- + =
By formula: C6H4ClO- + H+ = C6H5ClO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 343.4 ± 2.3 | kcal/mol | G+TS | Kebarle and McMahon, 1977 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 337.1 ± 2.0 | kcal/mol | IMRE | Kebarle and McMahon, 1977 | gas phase; B |
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
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 114927 |
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.
Bramley, 1916
Bramley, A.,
The study of binary mixtures. Part IV. Heats of reaction and specific heats,
J. Chem. Soc. (London), 1916, 109, 496-515. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Fort and Moore, 1965
Fort, R.J.; Moore, W.R.,
Adiabatic compressibilities of binary liquid mixtures,
Trans. Faraday Soc., 1965, 61, 2102. [all data]
Lecat, 1947
Lecat, M.,
Orthobaric Azeotropes of Sulfides,
Bull. Cl. Sci., Acad. R. Belg., 1947, 33, 160-82. [all data]
Bramley, 1916, 2
Bramley, A.,
XXXVI.--The Study of Binary Mixtures. Part II. The Densities and Viscosities of Mixtures Containing Substituted Phenols.,
J. Chem. Soc., 1916, 109, 434. [all data]
Poeti, Faneli, et al., 1982
Poeti, G.; Faneli, E.; Braghetti, M.J.,
A differential scanning calorimetric study of some phenol derivatives,
Therm. Anal., 1982, 24, 2, 273, https://doi.org/10.1007/BF01913681
. [all data]
Dreisbach, 1955
Dreisbach, R.R.,
Physical Properties of Chemical Compounds, Advances in Chemistry Series No. 15, Am. Chem. Soc.: Washington, D. C., 1955. [all data]
Bramley, 1916, 3
Bramley, A.,
The Studyu of Binary Mixtures. Part III. Freezing Point Curves,
J. Chem. Soc., 1916, 109, 469. [all data]
Verevkin, Emel'yanenko, et al., 2007
Verevkin, Sergey P.; Emel'yanenko, Vladimir N.; Klamt, Andreas,
Thermochemistry of Chlorobenzenes and Chlorophenols: Ambient Temperature Vapor Pressures and Enthalpies of Phase Transitions,
J. Chem. Eng. Data, 2007, 52, 2, 499-510, https://doi.org/10.1021/je060429r
. [all data]
Gabaldon, Marzal, et al., 1995
Gabaldon, Carmen; Marzal, Paula; Monton, Juan B.,
Vapor-Liquid Equilibria of the 1-Butanol + o-Chlorophenol System. Effects of Association in the Vapor Phase,
J. Chem. Eng. Data, 1995, 40, 1, 190-193, https://doi.org/10.1021/je00017a039
. [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]
Kiva, Nadutkina, et al., 1974
Kiva, N.N.; Nadutkina, S.I.; Ivanova, L.V.; Bogdanov, V.S.,
Russ. J. Phys. Chem., 1974, 148, 297. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Poeti, Fanelli, et al., 1982
Poeti, G.; Fanelli, E.; Braghetti, M.,
A differential scanning calorimetric study of some phenol derivatives,
J. Therm. Anal., 1982, 24(2), 273-279. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Crable and Kearns, 1962
Crable, G.F.; Kearns, G.L.,
Effect of substituent groups on the ionization potentials of benzenes,
J. Phys. Chem., 1962, 66, 436. [all data]
Kebarle and McMahon, 1977
Kebarle, P.; McMahon, T.B.,
Intrinsic Acidities of Substituted Phenols and Benzoic Acids Determined by Gas Phase Proton Transfer Equilibria,
J. Am. Chem. Soc., 1977, 99, 7, 2222, https://doi.org/10.1021/ja00449a032
. [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:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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