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1,1'-Biphenyl, 2-ethyl-

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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 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
Deltacliquid-1812.9kcal/molCcbWise, Serijan, et al., 1951Corresponding «DELTA»fliquid = 18.0 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-1740.kcal/molCcbGoodman and Wise, 1950Corresponding «DELTA»fliquid = -55. kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid79.515cal/mol*KN/AChirico, Hossenloop, et al., 1987DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
72.354298.15Chirico, Hossenloop, et al., 1987T = 5 to 440 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
BS - Robert L. Brown and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil539.12KN/AGoodman and Wise, 1951Uncertainty assigned by TRC = 0.2 K; TRC
Tboil539.12KN/AGoodman and Wise, 1950, 2Uncertainty assigned by TRC = 0.15 K; TRC
Quantity Value Units Method Reference Comment
Tfus267.02KN/AGoodman and Wise, 1951Uncertainty assigned by TRC = 0.1 K; TRC
Tfus267.02KN/AGoodman and Wise, 1950, 2Uncertainty assigned by TRC = 0.1 K; TRC
Tfus279.KN/AHuber, Renoll, et al., 1946Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Ttriple267.070KN/AChirico, Hossenlopp, et al., 1987Uncertainty assigned by TRC = 0.01 K; TRC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
401.70.014Weast and Grasselli, 1989BS

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
0.49426267.076Chirico, Hossenloop, et al., 1987DH
0.495267.1Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
1.85267.076Chirico, Hossenloop, et al., 1987DH

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

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

1,1'-Biphenyl, 2-ethyl- = 4-Ethylbiphenyl

By formula: C14H14 = C14H14

Quantity Value Units Method Reference Comment
Deltar-3.01kcal/molEqkRoshchupkina, Nesterova, et al., 1987liquid phase; T=385.6 K

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
8.55 ± 0.02PEMaier and Turner, 1972Vertical value

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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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.
NIST MS number 7577

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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 Kusakov, et al., 1963
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. 20058
Instrument unknown
Melting point - 6
Boiling point 128/ 11 mm

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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedApiezon L170.1488.Kríz, Popl, et al., 1974 
PackedApiezon L185.1500.Kríz, Popl, et al., 1974 

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillarySP-1000185.2033.Kríz, Popl, et al., 1974N2; Column length: 50. m; Column diameter: 0.25 mm
CapillarySP-1000200.1994.Kríz, Popl, et al., 1974N2; Column length: 50. m; Column diameter: 0.25 mm

Lee's RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillarySE-52250.85Lee, Vassilaros, et al., 197912. m/0.3 mm/0.34 «mu»m, He, 2. K/min; Tstart: 50. C; Tend: 250. C

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes

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

Wise, Serijan, et al., 1951
Wise, C.H.; Serijan, K.T.; Goodman, I.A., NACA Technical Report 1003, NACA Technical Report 1003, 1951, 1-10. [all data]

Goodman and Wise, 1950
Goodman, I.A.; Wise, P.H., Dicyclic hydrocarbons. I. 2-Aklylbiphenyls, J. Am. Chem. Soc., 1950, 72, 3076-3078. [all data]

Chirico, Hossenloop, et al., 1987
Chirico, R.D.; Hossenloop, I.A.; Nguyen, A.; Strube, M.M.; Steele, W.V., Thermodynamic studies related to the hydrogenation of phenanthrene, NIPER Report, 1987, 247, 107p. [all data]

Goodman and Wise, 1951
Goodman, I.A.; Wise, P.H., Synthesis & purification of some alkylbiphenyls & alkylbicyclohexyls., Natl. Advis. Comm. Aeronaut., Tech. Note NACA TN 2260, Lewis Flight Propulsion Lab., Cleveland, Ohio, 1951. [all data]

Goodman and Wise, 1950, 2
Goodman, I.A.; Wise, P.H., Dicycloic Hydrocarbons I. 2-Alkylbiphenyls, J. Am. Chem. Soc., 1950, 72, 3076. [all data]

Huber, Renoll, et al., 1946
Huber, W.F.; Renoll, M.; Rossow, A.G.; Mowry, D.T., Vinyl Aromatic Compounds II. o-, m-, and p-Vinylbiphenyls, J. Am. Chem. Soc., 1946, 68, 1109. [all data]

Chirico, Hossenlopp, et al., 1987
Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.; Steele, W.V., Thermochem. and Thermophys. Prop. of Organic Compounds Derived from Fossil Substances. Thermodynamic Studies Related to the Hydrogenation of Anthracene, Natl. Inst. Pet. Energy Res. Rep. NIPER-239, Bartlesvill- e, OK, 1987. [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]

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]

Roshchupkina, Nesterova, et al., 1987
Roshchupkina, I.Yu.; Nesterova, T.N.; Rozhnov, A.M., Equilibria of isomeric transformations of alkylbiphenyls, J. Chem. Thermodyn., 1987, 19, 299-306. [all data]

Maier and Turner, 1972
Maier, J.P.; Turner, D.W., Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part I. Biphenyls, Faraday Discuss. Chem. Soc., 1972, 54, 149. [all data]

Kusakov, et al., 1963
Kusakov, M.M., et al., Ultraviolet Absorption Spectra of Aromatic Hydrocarbons, 1963, 183. [all data]

Kríz, Popl, et al., 1974
Kríz, J.; Popl, M.; Mostecký, J., Retention indices of biphenyls and diphenylalkanes, J. Chromatogr., 1974, 97, 1, 3-13, https://doi.org/10.1016/S0021-9673(01)97577-6 . [all data]

Lee, Vassilaros, et al., 1979
Lee, M.L.; Vassilaros, D.L.; White, C.M.; Novotny, M., Retention Indices for Programmed-Temperature Capillary-Column Gas Chromatography of Polycyclic Aromatic Hydrocarbons, Anal. Chem., 1979, 51, 6, 768-773, https://doi.org/10.1021/ac50042a043 . [all data]


Notes

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