4,4'-Dimethylbiphenyl

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas26.60 ± 0.86kcal/molCcbRibeiro da Silva, Matos, et al., 1997 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfsolid3.87 ± 0.69kcal/molCcbRibeiro da Silva, Matos, et al., 1997 
Quantity Value Units Method Reference Comment
Δcsolid-1798.8 ± 0.55kcal/molCcbRibeiro da Silva, Matos, et al., 1997Corresponding Δfsolid = 3.87 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcsolid-1798.3 ± 1.8kcal/molCcbBrull, 1935Reanalyzed by Cox and Pilcher, 1970, Original value = -1797.74 kcal/mol; Corresponding Δfsolid = 3.38 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References, Notes

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
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil568.2KN/AWeast and Grasselli, 1989BS
Tboil562.KN/ABlades, Blades, et al., 1954Uncertainty assigned by TRC = 4. K; TRC
Tboil568.KN/AUllmann, 1904Uncertainty assigned by TRC = 4. K; TRC
Tboil569.KN/ASchultz, 1881Uncertainty assigned by TRC = 4. K; TRC
Tboil559.KN/ACarnelley, 1877Uncertainty assigned by TRC = 5. K; TRC
Quantity Value Units Method Reference Comment
Tfus394. ± 3.KAVGN/AAverage of 34 out of 35 values; Individual data points
Quantity Value Units Method Reference Comment
Δsub22.7 ± 0.48kcal/molCRibeiro da Silva, Matos, et al., 1997ALS
Δsub22.7 ± 0.48kcal/molCRibeiro da Silva, Matos, et al., 1997, 2AC
Δsub22.7kcal/molN/AN/ADRB

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:


References

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

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

Ribeiro da Silva, Matos, et al., 1997
Ribeiro da Silva, M.A.V.; Matos, M.A.R.; do Rio, C.M.A.; Morais, V.M.F., Thermochemical and theoretical studies of 4-methylbiphenyl, 4,4'-dimethylbiphenyl, 4,4'-dimethyl-2,2'-bipyridine, J. Chem. Soc. Farad. Trans, 1997, 93, 3061. [all data]

Brull, 1935
Brull, L., Sui calori di combustione di alcuni derivati del bifenil, Gazz. Chim. Ital., 1935, 65, 19-28. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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]

Blades, Blades, et al., 1954
Blades, H.; Blades, A.; Steacie, E.W.R., The Kinetics of Pyrolysis of Toluene, Can. J. Chem., 1954, 32, 298-311. [all data]

Ullmann, 1904
Ullmann, F., Justus Liebigs Ann. Chem., 1904, 332, 38. [all data]

Schultz, 1881
Schultz, G., Justus Liebigs Ann. Chem., 1881, 207, 361. [all data]

Carnelley, 1877
Carnelley, T., J. Chem. Soc., 1877, 32, 653. [all data]

Ribeiro da Silva, Matos, et al., 1997, 2
Ribeiro da Silva, Manuel A.V.; Matos, Agostinha R.; do Rio, Carolina M.A.; Morais, Victor M.F., Thermochemical and theoretical studies of 4-methylbiphenyl, 4,4´-dimethylbiphenyl, 4,4´-dimethyl-2,2´-bipyridine, Faraday Trans., 1997, 93, 17, 3061-3065, https://doi.org/10.1039/a701769c . [all data]


Notes

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