Benzene, (trichloromethyl)-

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

Quantity Value Units Method Reference Comment
Tboil493.8KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus235.99KN/AGoates, Boerio-Goates, et al., 1987Uncertainty assigned by TRC = 0.1 K; TRC
Tfus256.2KN/AAltschul and Von Schneider, 1895Uncertainty assigned by TRC = 0.6 K; TRC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
12.4333.AStephenson and Malanowski, 1987Based on data from 318. to 487. K. See also Stull, 1947.; AC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
318.9 to 486.74.823562166.28-37.699Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
3.334236.N/ADomalski and Hearing, 1996AC
2.53270.DSCAhmed and Eades, 1972There is a large discrepancy in the two melting points. The 270 K value is correct; AC

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
3.3341235.99crystaline, IliquidGoates, Boerio-Goates, et al., 1987, 2DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
14.13235.99crystaline, IliquidGoates, Boerio-Goates, et al., 1987, 2DH

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
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

Bromine anion + Benzene, (trichloromethyl)- = (Bromine anion • Benzene, (trichloromethyl)-)

By formula: Br- + C7H5Cl3 = (Br- • C7H5Cl3)

Quantity Value Units Method Reference Comment
Δr12.4 ± 1.8kcal/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 303 K, corrected to 423 K, ΔSaff taken as that of PhNO2..Br-; B,M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KN/APaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr3.9 ± 1.0kcal/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 303 K, corrected to 423 K, ΔSaff taken as that of PhNO2..Br-; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
3.9423.PHPMSPaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M

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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
9.60PEZverev and Ermolaeva, 1981Vertical value

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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

Bromine anion + Benzene, (trichloromethyl)- = (Bromine anion • Benzene, (trichloromethyl)-)

By formula: Br- + C7H5Cl3 = (Br- • C7H5Cl3)

Quantity Value Units Method Reference Comment
Δr12.4 ± 1.8kcal/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 303 K, corrected to 423 K, ΔSaff taken as that of PhNO2..Br-; B,M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KN/APaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr3.9 ± 1.0kcal/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 303 K, corrected to 423 K, ΔSaff taken as that of PhNO2..Br-; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
3.9423.PHPMSPaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M

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 NIST Mass Spectrometry Data Center, 1998.
NIST MS number 291323

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.


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

Van Den Dool and Kratz RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-11187.4Sun and Stremple, 200330. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 40. C; Tend: 325. C
CapillaryOV-11200.0Gautzsch and Zinn, 19968. K/min; Tstart: 35. C; Tend: 300. C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-1011211.Zenkevich, Eliseenkov, et al., 2006Nitrogen, 6. K/min, 240. C @ 10. min; Column length: 25. m; Column diameter: 0.20 mm; Tstart: 60. C

References

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

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

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]

Goates, Boerio-Goates, et al., 1987
Goates, J.R.; Boerio-Goates, J.; Goates, S.R.; Ott, J.B., (Solid + Liquid) Phase Equilibria for (N,N-Dimethylacetamide + Tetra- chloromethane): Enthalpies of Meltingof Pure Compounds and Enthalpies for Formation of Moelcular Addition Compounds from Phase Eq, J. Chem. Thermodyn., 1987, 19, 103. [all data]

Altschul and Von Schneider, 1895
Altschul, M.; Von Schneider, B., Freezing points of some organic fluids, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1895, 16, 24. [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Ahmed and Eades, 1972
Ahmed, A.M.I.; Eades, R.G., Proton magnetic relaxation in toluene and some derivatives, J. Chem. Soc., Faraday Trans. 2, 1972, 68, 1623, https://doi.org/10.1039/f29726801623 . [all data]

Goates, Boerio-Goates, et al., 1987, 2
Goates, J.R.; Boerio-Goates, J.; Goates, S.R.; Ott, J.B., (Solid + liquid) phase equilibria for (N,N-dimethylacetamide + tetrachloromethane): enthalpies of melting of pure components and enthalpies for formation of molecular addition compounds from phase equilibria, J. Chem. Thermodynam., 1987, 19, 103-107. [all data]

Paul and Kebarle, 1991
Paul, G.J.C.; Kebarle, P., Stabilities of Complexes of Br- with Substituted Benzenes (SB) Based on Determinations of the Gas-Phase Equilibria Br- + SB = (BrSB)-, J. Am. Chem. Soc., 1991, 113, 4, 1148, https://doi.org/10.1021/ja00004a014 . [all data]

Zverev and Ermolaeva, 1981
Zverev, V.V.; Ermolaeva, L.V., Ionization potentials and intramolecular charge transfer. II. The photoelectron spectrum and electronic structure of trichloromethylbenzene, Zh. Strukt. Khim., 1981, 22, 22. [all data]

Sun and Stremple, 2003
Sun, G.; Stremple, P., Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003, retrieved from http://www.chem.agilent.com/cag/cabu/pdf/b-0279.pdf. [all data]

Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

Zenkevich, Eliseenkov, et al., 2006
Zenkevich, I.G.; Eliseenkov, E.V.; Kasatochkin, A.N., Application of Retention Indices in GC-MS Identification of Halogenated Organic Compounds, Mass Spectromery (Rus.), 2006, 3, 2, 131-140. [all data]


Notes

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