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Gas phase thermochemistry data

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
14.3950.Dorofeeva O.V., 1989These statistically calculated values were obtained using force field approximation for polycyclic aromatic hydrocarbons to estimate the needed vibrational frequencies (see also [ Dorofeeva O.V., 1986, Moiseeva N.F., 1990]). These functions are reproduced in the reference book [ Frenkel M., 1994].
24.888100.
36.776150.
49.955200.
70.366273.15
77.3 ± 1.7298.15
77.835300.
103.80400.
125.44500.
142.71600.
156.44700.
167.47800.
176.46900.
183.881000.
190.061100.
195.251200.
199.641300.
203.391400.
206.591500.

Phase change data

Go To: Top, Gas phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tfus581.KN/ABergmann, Fischer, et al., 1953Uncertainty assigned by TRC = 4. K

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


IR Spectrum

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), UV/Visible 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: Coblentz Society, Inc.

Condensed Phase Spectrum

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IR 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. 3563
Date Not specified, most likely prior to 1970
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 306 C

This IR spectrum is from the Coblentz Society's evaluated infrared reference spectra collection.


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, UV/Visible 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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Mass 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 Chemical Concepts
NIST MS number 155316

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


UV/Visible 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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Suvorov, et al., 1977
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 22450
Instrument Specord UV-Vis
Melting point 306

References

Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Dorofeeva O.V., 1989
Dorofeeva O.V., Thermodynamic Properties of Gaseous Polycyclic Aromatic Hydrocarbons Containing Five-Membered Rings. Institute for High Temperatures, USSR Academy of Sciences, Preprint No.1-263 (in Russian), Moscow, 1989. [all data]

Dorofeeva O.V., 1986
Dorofeeva O.V., On calculation of thermodynamic properties of polycyclic aromatic hydrocarbons, Thermochim. Acta, 1986, 102, 59-66. [all data]

Moiseeva N.F., 1990
Moiseeva N.F., Group additivity scheme for calculating the chemical thermodynamic properties of gaseous polycyclic aromatic hydrocarbons containing five-membered rings, Thermochim. Acta, 1990, 168, 179-186. [all data]

Frenkel M., 1994
Frenkel M., Thermodynamics of Organic Compounds in the Gas State, Vol. I, II, Thermodynamics Research Center, College Station, Texas, 1994, 1994. [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]

Suvorov, et al., 1977
Suvorov, N.N., et al., Zhur. Organ. Khim., 1977, 13, 386. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References