Naphthalene, 2-chloro-
- Formula: C10H7Cl
- Molecular weight: 162.616
- IUPAC Standard InChIKey: CGYGETOMCSJHJU-UHFFFAOYSA-N
- CAS Registry Number: 91-58-7
- 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: β-Chloronaphthalene; 2-Chloronaphthalene; Chloronaphthalene; 2-Chlornaftalen; Rcra waste number U047
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Condensed phase thermochemistry data
Go To: Top, Phase change data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | 55.2 ± 8.4 | kJ/mol | Ccb | Smith, Bjellerup, et al., 1953 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -5014.5 ± 8.4 | kJ/mol | Ccb | Smith, Bjellerup, et al., 1953 | Reanalyzed by Cox and Pilcher, 1970, Original value = -5007.16 kJ/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 202.13 | J/mol*K | N/A | Van Miltenburg and Verdonk, 1991 | DH |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
235.64 | 298.15 | Van Miltenburg and Verdonk, 1991 | T = 5 to 370 K. There is an extended solid-to-solid transition between 260 and 309 K, of two regions, between 260-290 and 290-309 K.; DH |
150. | 250. | Loyzance, Rey-Lafon, et al., 1978 | T = 4.2 to 300 K. Data given graphically and estimated from graph. Transition at 308 K makes heat capacity at 298 K anomalous.; DH |
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 332. | K | N/A | Khanna, Khetarpal, et al., 1981 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 331.17 | K | N/A | van Miltenburg and Verdonk, 1991 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 62.3 ± 1.1 | kJ/mol | GS | Verevkin, 2003 | Based on data from 332. to 362. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 82.0 ± 5.9 | kJ/mol | V | Smith, Bjellerup, et al., 1953 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
57.9 | 417. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 400. to 435. K.; AC |
58.5 | 373. | GC | Lei, Wania, et al., 1999 | Based on data from 323. to 423. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
14.7 | 332. | Acree, 1991 | AC |
Temperature of phase transition
Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|
309. | crystaline, II | crystaline, I | Van Miltenburg and Verdonk, 1991 | DH |
12. | crystaline, III | crystaline, II | Loyzance, Rey-Lafon, et al., 1978 | Anomalous transition.; DH |
308. | crystaline, II | crystaline, I | Loyzance, Rey-Lafon, et al., 1978 | Anomalous transition.; DH |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
14.004 | 331.17 | crystaline, I | liquid | Van Miltenburg and Verdonk, 1991 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
42.29 | 331.17 | crystaline, I | liquid | Van Miltenburg and Verdonk, 1991 | DH |
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 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
C10H6Cl- + =
By formula: C10H6Cl- + H+ = C10H7Cl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1639. ± 8.4 | kJ/mol | Bran | Wenthold and Squires, 1995 | gas phase; By HO- cleavage of substituted silanes |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1607. ± 8.8 | kJ/mol | H-TS | Wenthold and Squires, 1995 | gas phase; By HO- cleavage of substituted silanes |
Henry's Law 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 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 |
---|---|---|---|
3.1 | X | N/A | |
1.6 | 3800. | X | N/A |
3.2 | L | N/A | |
3.2 | M | N/A |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Van Miltenburg and Verdonk, 1991
Van Miltenburg, J.C.; Verdonk, M.L.,
Molar heat capacities of 2-chloronaphthalene at temperatures between 5K and 370K,
J. Chem. Thermodynam., 1991, 23, 273-279. [all data]
Loyzance, Rey-Lafon, et al., 1978
Loyzance, P.L.; Rey-Lafon, M.; Bonjour, E.,
Vibrational and calorimetric study of polymorphism in 2-fluoro and 2-chloronaphthalene - nature of disorder,
J. Phys. Chem. Solids, 1978, 39, 967-970. [all data]
Khanna, Khetarpal, et al., 1981
Khanna, M.S.; Khetarpal, S.C.; Lal, K.; Bhatnagar, H.L.,
Thermodynamic studies on melting of some alpha- and beta-halogen derivatives of napthalene,
Indian J. Chem> Sect. A, 1981, 20, 544. [all data]
van Miltenburg and Verdonk, 1991
van Miltenburg, J.C.; Verdonk, M.L.,
Molar heat capacities of 2-chloronaphthalene at temperatures between 5 K and 370 K,
J. Chem. Thermodyn., 1991, 23, 273-9. [all data]
Verevkin, 2003
Verevkin, Sergey P.,
Vapor pressures and enthalpies of vaporization of a series of 1- and 2-halogenated naphthalenes,
The Journal of Chemical Thermodynamics, 2003, 35, 8, 1237-1251, https://doi.org/10.1016/S0021-9614(03)00051-X
. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Lei, Wania, et al., 1999
Lei, Ying Duan; Wania, Frank; Shiu, Wan Ying,
Vapor Pressures of the Polychlorinated Naphthalenes,
J. Chem. Eng. Data, 1999, 44, 3, 577-582, https://doi.org/10.1021/je9802827
. [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]
Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R.,
Determination of the gas-phase acidities of halogen-substituted aromatic compounds using the silane-cleavage method,
J. Mass Spectrom., 1995, 30, 1, 17, https://doi.org/10.1002/jms.1190300105
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) Tfus Fusion (melting) point Ttriple Triple point temperature Ttrs Temperature of phase transition d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH° Enthalpy of sublimation 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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