Benzene, 1,1'-ethylidenebis-

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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
Δcliquid-7259.kJ/molCcbSerijan and Wise, 1951Corresponding Δfliquid = -250. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-7562.2kJ/molCcbWise, Serijan, et al., 1951Corresponding Δfliquid = 52.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
Δcsolid-7558.6 ± 2.0kJ/molCcbCoops, Mulder, et al., 1953Reanalyzed by Cox and Pilcher, 1970, Original value = -7558. ± 2. kJ/mol; See Coops, Mulder, et al., 1946; Corresponding Δfsolid = 48.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
295.0298.5Smith and Andrews, 1931T = 102 to 299 K. Value is unsmoothed experimental datum.; DH

Phase change data

Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil543. ± 5.KAVGN/AAverage of 13 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus255.14KN/ASerijan and Wise, 1951, 2Uncertainty assigned by TRC = 0.2 K; TRC
Tfus255.14KN/AWise, Serijan, et al., 1950Uncertainty assigned by TRC = 0.2 K; TRC
Tfus247.25KN/ASmith and Andrews, 1931, 2Uncertainty assigned by TRC = 0.25 K; TRC
Quantity Value Units Method Reference Comment
Δvap68.9 ± 0.6kJ/molGSVerevkin, 1999Based on data from 293. to 328. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
68.2 ± 0.6313.GSVerevkin, 1999Based on data from 293. to 328. K.; AC
62.4363.AStephenson and Malanowski, 1987Based on data from 348. to 405. K.; AC

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:


Mass spectrum (electron ionization)

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

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 D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY
NIST MS number 60991

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes

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

Serijan and Wise, 1951
Serijan, K.T.; Wise, P.H., Dicyclic hydrocarbons. III. Diphenyl- and dicyclohexylalkanes through C15, J. Am. Chem. Soc., 1951, 73, 4766-4769. [all data]

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]

Coops, Mulder, et al., 1953
Coops, J.; Mulder, D.; Dienske, J.W.; Smittenberg, J., Thermochemical investigations on arylethanes I. Heats of combustion of phenylethanes., Rec. Trav. Chim. Pays/Bas, 1953, 72, 785. [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]

Coops, Mulder, et al., 1946
Coops, J.; Mulder, D.; Dienske, J.W.; Smittenberg, J., The heats of combustion of a number of hydrocarbons, Rec. Trav. Chim. Pays/Bas, 1946, 65, 128. [all data]

Smith and Andrews, 1931
Smith, R.H.; Andrews, D.H., Thermal energy studies. I. Phenyl derivatives of methane, ethane and some related compounds. J. Am. Chem. Soc., 1931, 53, 3644-3660. [all data]

Serijan and Wise, 1951, 2
Serijan, K.T.; Wise, P.H., Dicylic Hydrocarbons. III. Diphenyl- and Dicyclohexylalkanes through C15, J. Am. Chem. Soc., 1951, 73, 4766. [all data]

Wise, Serijan, et al., 1950
Wise, P.H.; Serijan, K.T.; Goodman, I.A., Correlation of Physical Properties with Molecular Structre for Dicyclic Hydrocarbons. I. 2-n-Alakylbiphenyl-1,1-alkane, α,ω-dicyclohexylalkane Series, Nat. Advis. Comm. Aeronaut., Tech. Notes, No. 2081, Lewis Flight Propulsion Lab., Cleveland, OH, 1950. [all data]

Smith and Andrews, 1931, 2
Smith, R.H.; Andrews, D.H., Thermal Energy Studies I. Phenyl Derivatives of Methane, Ethane and Some Related Compounds, J. Am. Chem. Soc., 1931, 53, 3644. [all data]

Verevkin, 1999
Verevkin, Sergey P., Thermochemical Properties of Diphenylalkanes, J. Chem. Eng. Data, 1999, 44, 2, 175-179, https://doi.org/10.1021/je980200e . [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]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References