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Benzene, 1,2,3,4-tetrafluoro-

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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 by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid256.1J/mol*KN/AAndon and Martin, 1973 

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
189.9298.15Andon and Martin, 1973T = 10 to 320 K.

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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil368.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil368.KN/APCR Inc., 1990BS
Tboil366.7KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Ttriple231.25KN/AAndon and Martin, 1973, 2Crystal phase 2 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple233.26KN/AAndon and Martin, 1973, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc550.83KN/AAmbrose, Broderick, et al., 1974Uncertainty assigned by TRC = 0.2 K; TRC
Tc550.83KN/AHales and Townsend, 1974Uncertainty assigned by TRC = 0.05 K; TRC
Quantity Value Units Method Reference Comment
Pc37.91barN/AAmbrose, Broderick, et al., 1974Uncertainty assigned by TRC = 0.04 bar; TRC
Quantity Value Units Method Reference Comment
rhoc3.196mol/lN/AHales and Townsend, 1974Uncertainty assigned by TRC = 0.0031 mol/l; Liquid density determined by magnetically balanced float up to 490 K, see J.L.Hales, 1970. Critical D by equation due to Riedel.; TRC
Quantity Value Units Method Reference Comment
Deltavap37.5kJ/molN/ABoublik, Fried, et al., 1984Based on data from 300. - 390. K. See also Basarová and Svoboda, 1991.; AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
36.8315.AStephenson and Malanowski, 1987Based on data from 300. - 392. K. See also Ambrose, Ellender, et al., 1975 and Boublik, Fried, et al., 1984.; AC
37.0294.MMStephenson and Malanowski, 1987Based on data from 279. - 323. K. See also Findlay, 1969.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
279.20 - 323.024.317351394.889-44.425Findlay, 1969Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
10.93233.3Andon and Martin, 1973, 2AC

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
4.900221.crystaline, IIcrystaline, IAndon and Martin, 1973DH
6.180231.25crystaline, IIliquidAndon and Martin, 1973DH
10.930233.26crystaline, IliquidAndon and Martin, 1973DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
22.2221.crystaline, IIcrystaline, IAndon and Martin, 1973DH
26.7231.25crystaline, IIliquidAndon and Martin, 1973DH
46.9233.26crystaline, IliquidAndon and Martin, 1973DH

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:


Reaction 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:
B - John E. Bartmess
RCD - Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C6HF4- + Hydrogen cation = Benzene, 1,2,3,4-tetrafluoro-

By formula: C6HF4- + H+ = C6H2F4

Quantity Value Units Method Reference Comment
Deltar1547. ± 8.8kJ/molG+TSBuker, Nibbering, et al., 1997gas phase; B
Quantity Value Units Method Reference Comment
Deltar1513. ± 8.4kJ/molIMREBuker, Nibbering, et al., 1997gas phase; B

Chromium ion (1+) + Benzene, 1,2,3,4-tetrafluoro- = (Chromium ion (1+) bullet Benzene, 1,2,3,4-tetrafluoro-)

By formula: Cr+ + C6H2F4 = (Cr+ bullet C6H2F4)

Quantity Value Units Method Reference Comment
Deltar106.kJ/molRAKRyzhov, 1999RCD
Quantity Value Units Method Reference Comment
Deltar5.1672×10+6J/mol*KRAKRyzhov, 1999RCD

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:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
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
IE (evaluated)9.57 ± 0.03eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)700.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity672.7kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.60PESell, Mintz, et al., 1978LLK
9.532 ± 0.004EQLias and Ausloos, 1978LLK
9.61PIBralsford, Harris, et al., 1960RDSH
9.56PEStreets and Ceasar, 1973Vertical value; LLK

De-protonation reactions

C6HF4- + Hydrogen cation = Benzene, 1,2,3,4-tetrafluoro-

By formula: C6HF4- + H+ = C6H2F4

Quantity Value Units Method Reference Comment
Deltar1547. ± 8.8kJ/molG+TSBuker, Nibbering, et al., 1997gas phase; B
Quantity Value Units Method Reference Comment
Deltar1513. ± 8.4kJ/molIMREBuker, Nibbering, et al., 1997gas phase; B

Ion clustering 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: Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Chromium ion (1+) + Benzene, 1,2,3,4-tetrafluoro- = (Chromium ion (1+) bullet Benzene, 1,2,3,4-tetrafluoro-)

By formula: Cr+ + C6H2F4 = (Cr+ bullet C6H2F4)

Quantity Value Units Method Reference Comment
Deltar106.kJ/molRAKRyzhov, 1999 
Quantity Value Units Method Reference Comment
Deltar5.1672×10+6J/mol*KRAKRyzhov, 1999 

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

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, NIST Free Links, 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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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 NIST Mass Spectrometry Data Center, 1990.
NIST MS number 118859

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.


References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), NIST Free Links, Notes

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

Andon and Martin, 1973
Andon, R.J.L.; Martin, J.F., Thermodynamic properties of fluorine compounds. Part 11. Low-temperature heat capacities of the three tetrafluorobenzenes, J. Chem. Soc. Faraday Trans., 1973, I 69, 761-770. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [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]

Andon and Martin, 1973, 2
Andon, R.J.L.; Martin, J.F., Thermodynamic properties of fluorine compounds. Part 11.---Low-temperature heat capacities of the three tetrafluorobenzenes, J. Chem. Soc., Faraday Trans. 1, 1973, 69, 0, 761, https://doi.org/10.1039/f19736900761 . [all data]

Ambrose, Broderick, et al., 1974
Ambrose, D.; Broderick, B.E.; Townsend, R., The Critical Temperatures and Pressures of Thirty Organic Compounds, J. Appl. Chem. Biotechnol., 1974, 24, 359. [all data]

Hales and Townsend, 1974
Hales, J.L.; Townsend, R., Liquid Densities from 293 to 490 K of Eight Fluorinated Aromatic Comp., J. Chem. Thermodyn., 1974, 6, 111-6. [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Basarová and Svoboda, 1991
Basarová, Pavlína; Svoboda, Václav, Calculation of heats of vaporization of halogenated hydrocarbons from saturated vapour pressure data, Fluid Phase Equilibria, 1991, 68, 13-34, https://doi.org/10.1016/0378-3812(91)85008-I . [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]

Ambrose, Ellender, et al., 1975
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.; Townsend, R., Thermodynamic properties of fluorine compounds. Part 15.---Vapour pressures of the three tetrafluorobenzenes and 1,3,5-trichloro-2,4,6-trifluorobenzene, J. Chem. Soc., Faraday Trans. 1, 1975, 71, 0, 35, https://doi.org/10.1039/f19757100035 . [all data]

Findlay, 1969
Findlay, T.J.V., Vapor pressures of fluorobenzenes from 5 to 50.deg.C, J. Chem. Eng. Data, 1969, 14, 2, 229-231, https://doi.org/10.1021/je60041a012 . [all data]

Buker, Nibbering, et al., 1997
Buker, H.H.; Nibbering, N.M.M.; Espinosa, D.; Mongin, F.; Schlosser, M., Additivity of substituent effects in the fluoroarene series: Equilibrium acidity in the gas phase and deprotonation rates in ethereal solution, Tetrahed. Lett., 1997, 38, 49, 8519-8522, https://doi.org/10.1016/S0040-4039(97)10303-3 . [all data]

Ryzhov, 1999
Ryzhov, V., Binding Energies of Chromium Cations with Fluorobenzenes from Radiative Association Kinetics, Int. J. Mass Spectrom., 1999, 185/186/187, 913. [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]

Sell, Mintz, et al., 1978
Sell, J.A.; Mintz, D.M.; Kupperman, A., Photoelectron angular distributions of carbon-carbon «pi» electrons in ethylene, benzene, and their fluorinated derivatives, Chem. Phys. Lett., 1978, 58, 601. [all data]

Lias and Ausloos, 1978
Lias, S.G.; Ausloos, P.J., eIonization energies of organic compounds by equilibrium measurements, J. Am. Chem. Soc., 1978, 100, 6027. [all data]

Bralsford, Harris, et al., 1960
Bralsford, R.; Harris, P.V.; Price, W.C., The effect of fluorine on the electronic spectra and ionization potentials of molecules, Proc. Roy. Soc. (London), 1960, A258, 459. [all data]

Streets and Ceasar, 1973
Streets, D.G.; Ceasar, G.P., Inductive mesomeric effects on the «pi» orbitals of halobenzenes, Mol. Phys., 1973, 26, 1037. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), NIST Free Links, References