Benzo[b]triphenylene
- Formula: C22H14
- Molecular weight: 278.3466
- IUPAC Standard InChIKey: RAASUWZPTOJQAY-UHFFFAOYSA-N
- CAS Registry Number: 215-58-7
- 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: Dibenzo[a,c]anthracene; Dibenz[a,c]anthracene; 1,2:3,4-Dibenzanthracene; 1,2:3,4-Dibenzoanthracene; 1,2,3,4-Dibenzanthracene; 2,3-Benztriphenylene; Db(a,c)A
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Phase change data
Go To: Top, 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:
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
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 791.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 478.2 | K | N/A | Clar, 1949 | Uncertainty assigned by TRC = 4. K; TRC |
Tfus | 477. | K | N/A | Cook, Hieger, et al., 1932 | Uncertainty assigned by TRC = 4. K; TRC |
Tfus | 478. | K | N/A | Clar, 1929 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 31.62 ± 0.43 | kcal/mol | CGC | Hanshaw, Nutt, et al., 2008 | AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 34.9 ± 1.4 | kcal/mol | Review | Roux, Temprado, et al., 2008 | There are insufficient literature values to properly evaluate the data and insufficient information to construct thermochemical cycles or estimate values for comparison, and one must rely solely upon reported uncertainities and the quality of the measurements. In general, the evaluated uncertainty limits are on the order of (3 to 9) kJ/mol.; DRB |
ΔsubH° | 38. ± 1. | kcal/mol | V | Kruif, 1980 | ALS |
ΔsubH° | 38. ± 1. | kcal/mol | TE,ME | Kruif, 1980 | Based on data from 425. to 452. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
23.3 | 398. | GC | Lei, Chankalal, et al., 2002 | Based on data from 323. to 473. K.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
32.3 | 383. | GS | Nass, Lenoir, et al., 1995 | Based on data from 313. to 453. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.171 | 553.5 | Acree, 1991 | AC |
Gas phase ion energetics data
Go To: Top, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.39 | PE | Clar and Schmidt, 1979 | LLK |
7.44 | PE | Clar and Schmidt, 1975 | LLK |
7.44 ± 0.04 | PE | Boschi, Clar, et al., 1974 | LLK |
7.35 ± 0.01 | PE | Dewar and Goodman, 1972 | LLK |
7.6 | CTS | Briegleb, 1964 | RDSH |
7.61 | CTS | Birks and Stifkin, 1961 | RDSH |
7.43 | CTS | Matsen, 1956 | RDSH |
7.39 ± 0.02 | PE | Schmidt, 1977 | Vertical value; LLK |
7.39 | PE | Clar and Schmidt, 1976 | Vertical value; LLK |
Mass spectrum (electron ionization)
Go To: Top, 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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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 | Japan AIST/NIMC Database- Spectrum MS-IW-3108 |
NIST MS number | 229722 |
References
Go To: Top, 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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Clar, 1949
Clar, E.,
J. Chem. Soc., 1949, 2168. [all data]
Cook, Hieger, et al., 1932
Cook, J.W.; Hieger, I.; Kennaway, E.L.,
Proc. R. Soc. London, Ser. B, 1932, 111, 455. [all data]
Clar, 1929
Clar, E.,
Chem. Ber., 1929, 62, 1574. [all data]
Hanshaw, Nutt, et al., 2008
Hanshaw, William; Nutt, Marjorie; Chickos, James S.,
Hypothetical Thermodynamic Properties. Subcooled Vaporization Enthalpies and Vapor Pressures of Polyaromatic Hydrocarbons,
J. Chem. Eng. Data, 2008, 53, 8, 1903-1913, https://doi.org/10.1021/je800300x
. [all data]
Roux, Temprado, et al., 2008
Roux, M.V.; Temprado, M.; Chickos, J.S.; Nagano, Y.,
Critically Evaluated Thermochemical Properties of Polycyclic Aromatic Hydrocarbons,
J. Phys. Chem. Ref. Data, 2008, 37, 4, 1855-1996. [all data]
Kruif, 1980
Kruif, C.G.,
Enthalpies of sublimation and vapour pressures of 11 polycyclic hydrocarbons,
J. Chem. Thermodyn., 1980, 12, 243-248. [all data]
Lei, Chankalal, et al., 2002
Lei, Ying Duan; Chankalal, Raymond; Chan, Anita; Wania, Frank,
Supercooled Liquid Vapor Pressures of the Polycyclic Aromatic Hydrocarbons,
J. Chem. Eng. Data, 2002, 47, 4, 801-806, https://doi.org/10.1021/je0155148
. [all data]
Nass, Lenoir, et al., 1995
Nass, Karen; Lenoir, Dieter; Kettrup, Antonius,
Calculation of the Thermodynamic Properties of Polycyclic Aromatic Hydrocarbons by an Incremental Procedure,
Angew. Chem. Int. Ed. Engl., 1995, 34, 16, 1735-1736, https://doi.org/10.1002/anie.199517351
. [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]
Clar and Schmidt, 1979
Clar, E.; Schmidt, W.,
Correlations between photoelectron and UV absorption spectra of polycyclic hydrocarbons. The pyrene series,
Tetrahedron, 1979, 35, 1027. [all data]
Clar and Schmidt, 1975
Clar, E.; Schmidt, W.,
Correlations btween photoelectron and ultraviolet absorption spectra of polycyclic hydrocarbons and the number of aromatic sextets,
Tetrahedron, 1975, 31, 2263. [all data]
Boschi, Clar, et al., 1974
Boschi, R.; Clar, E.; Schmidt, W.,
Photoelectron spectra of polynuclear aromatics. III. The effect of nonplanarity in sterically overcrowded aromatic hydrocarbons,
J. Chem. Phys., 1974, 60, 4406. [all data]
Dewar and Goodman, 1972
Dewar, M.J.S.; Goodman, D.W.,
Photoelectron spectra of molecules. Part 5.--Polycyclic aromatic hydrocarbons,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 1784. [all data]
Briegleb, 1964
Briegleb, G.,
Electron affinity of organic molecules,
Angew. Chem. Intern. Ed., 1964, 3, 617. [all data]
Birks and Stifkin, 1961
Birks, J.B.; Stifkin, M.A.,
π-Electronic excitation and ionization energies of condensed ring aromatic hydrocarbons,
Nature, 1961, 191, 761. [all data]
Matsen, 1956
Matsen, F.A.,
Electron affinities, methyl affinities, and ionization energies of condensed ring aromatic hydrocarbons,
J. Chem. Phys., 1956, 24, 602. [all data]
Schmidt, 1977
Schmidt, W.,
Photoelectron spectra of polynuclear aromatics. V. Correlations with ultraviolet absorption spectra in the catacondensed series,
J. Chem. Phys., 1977, 66, 828. [all data]
Clar and Schmidt, 1976
Clar, E.; Schmidt, W.,
Correlations between photoelectron and phosphorescence spectra of polycyclic hydrocarbons,
Tetrahedron, 1976, 32, 2563. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation 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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