1,1'-Biphenyl, 2-methyl-

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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
Δfgas152.8 ± 1.5kJ/molCcbSteele, Chirico, et al., 1995 

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.

Quantity Value Units Method Reference Comment
Tboil532. ± 7.KAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus272.95KN/AGoodman and Wise, 1951Uncertainty assigned by TRC = 0.15 K; TRC
Tfus418.KN/ACook, Dickson, et al., 1950TRC
Tfus272.95KN/AGoodman and Wise, 1950Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Δvap66.3 ± 0.5kJ/molVSteele, Chirico, et al., 1995ALS
Δvap66.3kJ/molN/ASteele, Chirico, et al., 1995DRB

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

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
Proton affinity (review)815.9kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity783.4kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.10 ± 0.02PEMaier and Turner, 1972LLK

References

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

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

Steele, Chirico, et al., 1995
Steele, W.V.; Chirico, R.D.; Smith, N.K., The standard enthalpies of formation of 2-methylbiphenyl and diphenylmethane, J. Chem. Thermodyn., 1995, 27, 671-678. [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]

Cook, Dickson, et al., 1950
Cook, J.W.; Dickson, G.T.; Jack, J.; Loudon, J.D.; McKeown, J.; MacMillan, J.; Williamson, W.F., Colchicine and Related Compounds, J. Chem. Soc., 1950, 139. [all data]

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

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]


Notes

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