Benzo[h]quinoline
- Formula: C13H9N
- Molecular weight: 179.2173
- IUPAC Standard InChIKey: WZJYKHNJTSNBHV-UHFFFAOYSA-N
- CAS Registry Number: 230-27-3
- 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: α-Benzoquinoline; 4-Azaphenanthrene; 7,8-Benzoquinoline
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Gas phase thermochemistry data
Go To: Top, Phase change 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 250.4 ± 2.3 | kJ/mol | Ccr | Steele, Chirico, et al., 1989 | Author was aware that data differs from previously reported values |
ΔfH°gas | 230.5 ± 5.0 | kJ/mol | Ccb | McEachern, Iniguez, et al., 1975 |
Phase change data
Go To: Top, Gas phase thermochemistry 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:
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 325. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 324.1 | K | N/A | Steele, Chirico, et al., 1989, 2 | Uncertainty assigned by TRC = 0.01 K; extrapolation of T vs 1/f to 1; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 90.2 ± 2.0 | kJ/mol | C | Steele, Chirico, et al., 1989 | Author was aware that data differs from previously reported values; ALS |
ΔsubH° | 90.2 | kJ/mol | N/A | Steele, Chirico, et al., 1989 | DRB |
ΔsubH° | 90.2 ± 2.0 | kJ/mol | N/A | Steele, Chirico, et al., 1989 | AC |
ΔsubH° | 80.8 ± 2.6 | kJ/mol | V | McEachern, Iniguez, et al., 1975 | ALS |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
611.2 | 0.959 | Weast and Grasselli, 1989 | BS |
611. | 0.959 | Buckingham and Donaghy, 1982 | BS |
496. | 0.063 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
71.7 ± 0.1 | 380. | IPM.EB | Steele, Chirico, et al., 1989 | Based on data from 373. to 672. K.; AC |
69.0 ± 0.1 | 420. | IPM.EB | Steele, Chirico, et al., 1989 | Based on data from 373. to 672. K.; AC |
66.5 ± 0.1 | 460. | IPM.EB | Steele, Chirico, et al., 1989 | Based on data from 373. to 672. K.; AC |
64.0 ± 0.1 | 500. | IPM.EB | Steele, Chirico, et al., 1989 | Based on data from 373. to 672. K.; AC |
61.5 ± 0.3 | 540. | IPM.EB | Steele, Chirico, et al., 1989 | Based on data from 373. to 672. K.; AC |
59.0 ± 0.3 | 580. | IPM.EB | Steele, Chirico, et al., 1989 | Based on data from 373. to 672. K.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
80.8 ± 2.5 | 308. | ME | McEachern, Iniguez, et al., 1975 | Based on data from 293. to 323. K. See also Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
14.103 | 324.104 | Steele, Chirico, et al., 1989 | DH |
14.103 | 324.104 | Steele, Chirico, et al., 1988 | DH |
14.1 | 324.1 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
43.51 | 324.104 | Steele, Chirico, et al., 1989 | DH |
43.51 | 324.104 | Steele, Chirico, et al., 1988 | DH |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, Chirico, et al., 1989
Steele, W.V.; Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.; Smith, N.K.; Gammon, B.E.,
The thermodynamic properties of the five benzoquinolines,
J. Chem. Thermodyn., 1989, 21, 81-107. [all data]
McEachern, Iniguez, et al., 1975
McEachern, D.M.; Iniguez, J.C.; Ornelas, H.C.,
Enthalpies of combustion and sublimation and vapor pressures of three benzoquinolines,
J. Chem. Eng. Data, 1975, 20, 226-228. [all data]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Steele, Chirico, et al., 1989, 2
Steele, W.V.; Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.; Smith, N.K.; Gammon, B.E.,
The thermodynamic properties of the five benzoquinolines,
J. Chem. Thermodyn., 1989, 21, 81. [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]
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]
Steele, Chirico, et al., 1988
Steele, W.V.; Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.,
The thermodynamic properties of the five benzoquinolines,
NIPER Report, 1988, 337, 59p. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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