Dibenzo[g,p]chrysene
- Formula: C26H16
- Molecular weight: 328.4052
- IUPAC Standard InChIKey: GQDKQZAEQBGVBS-UHFFFAOYSA-N
- CAS Registry Number: 191-68-4
- 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)triphenylene; Tetrabenzonaphthalene; 1,2,3,4,5,6,7,8-Tetrabenzonaphthalene
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Gas phase 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: Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 120. | 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. |
Condensed phase 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | 90.6 ± 8.8 | 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 |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -3082.5 | kcal/mol | Ccb | Wittig, Barendt, et al., 1971 | Corresponding ΔfHºsolid = 90.6 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
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
DRB - Donald R. Burgess, Jr.
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 |
---|---|---|---|---|---|
Tfus | 491. | K | N/A | Bergmann, Fischer, et al., 1953 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 36.07 | 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° | 46.6 | kcal/mol | V | Wittig, Barendt, et al., 1971 | ALS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
33.99 | 423. | N/A | Stephenson and Malanowski, 1987 | Based on data from 408. to 493. K.; AC |
33.89 | 458. | ME | Wakayama and Inokuchi, 1967 | Based on data from 417. to 500. K.; AC |
Gas phase ion energetics 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C26H16+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.20 | PE | Clar and Schmidt, 1979 | LLK |
7.26 | PE | Clar and Schmidt, 1975 | LLK |
7.18 ± 0.04 | PE | Boschi, Clar, et al., 1974 | LLK |
7.58 | CTS | Briegleb, 1964 | RDSH |
7.42 | CTS | Matsen, 1956 | RDSH |
7.20 ± 0.02 | PE | Schmidt, 1977 | Vertical value; LLK |
IR Spectrum
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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: Coblentz Society, Inc.
Condensed Phase Spectrum
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Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here.
Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | COBLENTZ SOCIETY Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | UNION CARBIDE CORPORATION (CARBON PRODUCTS DIVISION) |
Source reference | COBLENTZ NO. 3551 |
Date | Not specified, most likely prior to 1970 |
Name(s) | dibenzo[g,p]chrysene TETRABENZNAPHTHALENE |
State | SOLID (KBr PELLET) |
Instrument | Not specified, most likely a prism, grating, or hybrid spectrometer. |
Resolution | 4 |
Sampling procedure | TRANSMISSION |
Data processing | DIGITIZED BY NIST FROM HARD COPY |
Melting point | 218 C |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP Sil 8 CB | 567.47 | Bemgard, Colmsjo, et al., 1992 | Column length: 25. m; Column diameter: 0.32 mm; Program: 140C (2min) => (rapidly) => 200C(2min) => 5C/min => 370C |
Capillary | XTI-5 | 566.87 | Bemgard, Colmsjo, et al., 1992 | Column length: 15. m; Column diameter: 0.28 mm; Program: 140C (2min) => (rapidly) => 200C(2min) => 5C/min => 370C |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Wittig, Barendt, et al., 1971
Wittig, G.; Barendt, E.; Schoch, W.,
Zur Reaktivatat der zentrael Bindung des Dibenzo[g,p]chrysens,
Liebigs Ann. Chem., 1971, 749, 24-37. [all data]
Bergmann, Fischer, et al., 1953
Bergmann, E.D.; Fischer, E.; Jaffe, J.H.,
Exalted Distortion Polarizations of Some COlored Hydrocarbons,
J. Am. Chem. Soc., 1953, 75, 3230-3. [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]
Wakayama and Inokuchi, 1967
Wakayama, Nobuko; Inokuchi, Hiroo,
Heats of Sublimation of Polycyclic Aromatic Hydrocarbons and Their Molecular Packings,
Bull. Chem. Soc. Jpn., 1967, 40, 10, 2267-2271, https://doi.org/10.1246/bcsj.40.2267
. [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]
Briegleb, 1964
Briegleb, G.,
Electron affinity of organic molecules,
Angew. Chem. Intern. Ed., 1964, 3, 617. [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]
Bemgard, Colmsjo, et al., 1992
Bemgard, A.; Colmsjo, A.; Lundmark, B.-O.,
Gas chromatographic analysis of high-molecular-weight polynuclear aromatic hydrocarbons. I. Molecular weight 328,
J. Chromatogr., 1992, 595, 1-2, 247-258, https://doi.org/10.1016/0021-9673(92)85167-R
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas 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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