Benzofuran

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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas13.6 ± 0.7kJ/molCcbSteele and Chirico, 1990 

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-34.83 ± 0.68kJ/molCcbSteele and Chirico, 1990ALS
Quantity Value Units Method Reference Comment
Δcliquid-3970.74 ± 0.58kJ/molCcbSteele and Chirico, 1990Corresponding Δfliquid = -34.83 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid215.59J/mol*KN/AChirico, Nguyen, et al., 1986DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
178.70298.15Chirico, Nguyen, et al., 1986T = 10 to 450 K.; DH

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil447.2KN/AWeast and Grasselli, 1989BS
Tboil444.15KN/ACooper, Crowne, et al., 1967Uncertainty assigned by TRC = 0.5 K; TRC
Tboil442.15KN/AGordy and Burrus, 1954Uncertainty assigned by TRC = 1.5 K; TRC
Tboil447.15KN/APerkin, 1896Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Δvap48.4 ± 0.2kJ/molVSteele and Chirico, 1990ALS
Δvap48.4kJ/molN/ASteele and Chirico, 1990DRB

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
335. to 336.0.020Frinton Laboratories Inc., 1986BS
439.6 to 441.0.980Buckingham and Donaghy, 1982BS
370.6 to 372.0.11Buckingham and Donaghy, 1982BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
46.2338.AStephenson and Malanowski, 1987Based on data from 323. to 403. K.; AC

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
232.000crystaline, IIcrystaline, IChirico, Nguyen, et al., 1986DH
245.482crystaline, IliquidChirico, Nguyen, et al., 1986DH

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:


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 evaluated as indicated in comments:
L - Sharon G. Lias

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 C8H6O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.36 ± 0.05eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
8.8EITang, McGowan, et al., 1979LLK
8.37 ± 0.015PEGusten, Klasinc, et al., 1976LLK
8.85 ± 0.05EIThorstad and Undheim, 1974LLK
8.42PEDewar, Harget, et al., 1970RDSH
8.29 ± 0.05PEEland, 1969RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H6+12.52COEIOccolowitz and White, 1968RDSH

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


Mass spectrum (electron ionization)

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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

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 Japan AIST/NIMC Database- Spectrum MS-NW-3084
NIST MS number 228345

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 Lang (editor), 1961
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. 19762
Instrument Beckman DU
Boiling point 174

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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.

Steele and Chirico, 1990
Steele, W.V.; Chirico, R.D., Thermodynamics and the hydrodeoxygenation of 2,3-Benzofuran, Cooperative Agreement No. FC22-83FE60149 (NIPEP-457), IIT Research Institute, NIPEP, Bartlesville, OK 74005, 1990, 1-75. [all data]

Chirico, Nguyen, et al., 1986
Chirico, R.D.; Nguyen, A.; Steele, W.V.; Strube, M.M.; Hossenlopp, I.A.; Gammon, B.E., Thermochemical and thermophysical properties of organic compounds derived from fossil substances. Chemical thermodynamic properties of organic oxygen compounds found in fossil materials, NIPER Report, 1986, 135, 42p. [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]

Cooper, Crowne, et al., 1967
Cooper, A.R.; Crowne, C.W.P.; Farrell, P.G., Gas-Liquid Chromatographic Studies of Electron-Donor-Acceptor Systems, Trans. Faraday Soc., 1967, 63, 447. [all data]

Gordy and Burrus, 1954
Gordy, W.; Burrus, C.H., Phys. Rev., 1954, 93, 419. [all data]

Perkin, 1896
Perkin, W.H., LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds, J. Chem. Soc., 1896, 69, 1025-1257. [all data]

Frinton Laboratories Inc., 1986
Frinton Laboratories Inc., Catalog Number 11, Frinton Laboratories Inc., Vineland, NJ, 1986, 99. [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]

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]

Tang, McGowan, et al., 1979
Tang, S.-Y.; McGowan, J.C.; Singh, M.; Galatsis, P.; Ellis, B.E.; Boyd, R.K.; Brown, S.A., Mass spectrometry of some furanocoumarins, Can. J. Chem., 1979, 57, 1995. [all data]

Gusten, Klasinc, et al., 1976
Gusten, H.; Klasinc, L.; Ruscic, B., Photoelectron spectroscopy of J. Heterocycl. Chem.. Indene analogs, Z. Naturforsch. A:, 1976, 31, 1051. [all data]

Thorstad and Undheim, 1974
Thorstad, O.; Undheim, K., Mass spectrometry of onium compounds. XXIV. Ionisation potential in structure analysis of pyridodiazo-oxides, Chem. Scr., 1974, 6, 222. [all data]

Dewar, Harget, et al., 1970
Dewar, M.J.S.; Harget, A.J.; Trinajstic, N.; Worley, S.D., Ground states of conjugated molecules-XXI.Benzofurans and benzopyrroles, Tetrahedron, 1970, 26, 4505. [all data]

Eland, 1969
Eland, J.H.D., Photoelectron spectra of conjugated hydrocarbons and heteromolecules, Intern. J. Mass Spectrom. Ion Phys., 1969, 2, 471. [all data]

Occolowitz and White, 1968
Occolowitz, J.L.; White, G.L., Energetic considerations in the assignment of some fragment ion structures, Australian J. Chem., 1968, 21, 997. [all data]

Lang (editor), 1961
Lang (editor), L., Absorption Spectra in the Ultraviolet and Visible Region, 1961, 2, 357. [all data]


Notes

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