Anthracene, 2-methyl-
- Formula: C15H12
- Molecular weight: 192.2558
- IUPAC Standard InChIKey: GYMFBYTZOGMSQJ-UHFFFAOYSA-N
- CAS Registry Number: 613-12-7
- 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: 2-Methylanthracene
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Phase change data
Go To: Top, Gas phase ion energetics data, IR Spectrum, 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: William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 84.5 ± 2.7 | kJ/mol | CGC | Hanshaw, Nutt, et al., 2008 | |
ΔvapH° | 84.4 ± 1.2 | kJ/mol | GC | Haftka, Parsons, et al., 2006 | Based on data from 413. to 473. K. |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
76.1 | 398. | GC | Lei, Chankalal, et al., 2002 | Based on data from 323. to 473. K. |
Gas phase ion energetics data
Go To: Top, Phase change data, IR Spectrum, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 887.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 855.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Proton affinity at 298K
Proton affinity (kJ/mol) | Reference | Comment |
---|---|---|
884.9 | Aue, Guidoni, et al., 2000 | Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM |
Gas basicity at 298K
Gas basicity (review) (kJ/mol) | Reference | Comment |
---|---|---|
857.7 | Aue, Guidoni, et al., 2000 | Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.37 ± 0.05 | EQ | Mautner(Meot-Ner), 1980 | LLK |
7.70 | EI | Nounou, 1968 | RDSH |
IR Spectrum
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, 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 | Japan AIST/NIMC Database- Spectrum MS-NW-3148 |
NIST MS number | 228369 |
References
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, 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.
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]
Haftka, Parsons, et al., 2006
Haftka, Joris J.H.; Parsons, John R.; Govers, Harrie A.J.,
Supercooled liquid vapour pressures and related thermodynamic properties of polycyclic aromatic hydrocarbons determined by gas chromatography,
Journal of Chromatography A, 2006, 1135, 1, 91-100, https://doi.org/10.1016/j.chroma.2006.09.050
. [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]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Aue, Guidoni, et al., 2000
Aue, D.H.; Guidoni, M.; Betowski, L.D.,
Ab initio calculated gas-phase basicities of polynuclear aromatic hydrocarbons,
Int. J. Mass Spectrom., 2000, 201, 283. [all data]
Mautner(Meot-Ner), 1980
Mautner(Meot-Ner), M.,
Ion thermochemistry of low volatility compounds in the gas phase. 3. Polycyclic aromatics: Ionization energies, proton, and hydrogen affinities. Extrapolations to graphite,
J. Phys. Chem., 1980, 84, 2716. [all data]
Nounou, 1968
Nounou, P.,
Etude des composes aromatiques par spectrometrie de masse. III. Interpretation des processus d'ionisation et de dissociation des molecules de phenanthrene et de methyl-phenanthrene par impact electronique,
J. Chim. Phys., 1968, 65, 700. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
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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