Propanedinitrile, dimethyl-

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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
Δfgas197.2 ± 1.0kJ/molCcbBeckhaus, Dogan, et al., 1990 

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

Quantity Value Units Method Reference Comment
Δfsolid135.2 ± 0.2kJ/molCcbBeckhaus, Dogan, et al., 1990 
Quantity Value Units Method Reference Comment
Δcsolid-2960.2 ± 0.71kJ/molCcbBeckhaus, Dogan, et al., 1990 

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Tboil442.7KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Ttriple307.47KN/ARibner and Westrum, 1967Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δsub61.97 ± 0.71kJ/molVBeckhaus, Dogan, et al., 1990ALS
Δsub62.0kJ/molN/ABeckhaus, Dogan, et al., 1990DRB
Δsub62.0 ± 0.7kJ/molN/ABeckhaus, Dogan, et al., 1990AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
47.5337.AStephenson and Malanowski, 1987Based on data from 322. to 413. K. See also Ribner and Westrum, 1967, 2.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
4.05307.5Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
32.59302.6Domalski and Hearing, 1996CAL
13.18307.5

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.

Beckhaus, Dogan, et al., 1990
Beckhaus, H.D.; Dogan, B.; Pakusch, J.; Verevkin, S.; Ruechardt, C., Geminal substituent effects. 4. The dependence of the inverse anomeric effect of geminal cyano groups on the structure, Chem. Ber., 1990, 123, 2153-2159. [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]

Ribner and Westrum, 1967
Ribner, A.; Westrum, E.F., Dimethylmalononitrile low-temperature heat capacity, vapor pressure, density, and chemical thermodynamics of the crystalline, liquid, and gaseous phases, J. Phys. Chem., 1967, 71, 1208-15. [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]

Ribner and Westrum, 1967, 2
Ribner, A.; Westrum, E.F., Jr., Dimethylmalononitrile. Low-temperature heat capacity, vapor pressure, density, and chemical thermodynamics of the crystalline, liquid, and gaseous phases, J. Phys. Chem., 1967, 71, 1208-1215. [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]


Notes

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