Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

1,4-Benzenedicarbonitrile

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, 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
Deltafgas358.3 ± 2.2kJ/molCcbAcree, Tucker, et al., 1992Author was aware that data differs from previously reported values
Deltafgas357.1 ± 1.9kJ/molCcbSato-Toshima, Sakiyama, et al., 1980 

Condensed phase thermochemistry data

Go To: Top, Gas 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:
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
Deltafsolid268.5 ± 1.2kJ/molCcbAcree, Tucker, et al., 1992Author was aware that data differs from previously reported values; ALS
Deltafsolid268.3 ± 1.2kJ/molCcbSato-Toshima, Sakiyama, et al., 1980ALS
Quantity Value Units Method Reference Comment
Deltacsolid-3988.2 ± 0.6kJ/molCcbAcree, Tucker, et al., 1992Author was aware that data differs from previously reported values; ALS
Deltacsolid-3988.04 ± 0.59kJ/molCcbSato-Toshima, Sakiyama, et al., 1980ALS
Quantity Value Units Method Reference Comment
solid,1 bar183.0J/mol*KN/ALebedev, Bykova, et al., 1988DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
161.2298.15Lebedev, Bykova, et al., 1988T = 0 to 330 K.; DH

References

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

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

Acree, Tucker, et al., 1992
Acree, W.E., Jr.; Tucker, S.A.; Pilcher, G., Enthalpies of combustion of 1,4-dicyanobenzene di-N-oxide and 1,4-dicyanobenzene: the mean dissociation enthalpy of the (N-O) bonds, J. Chem. Thermodyn., 1992, 24, 213-216. [all data]

Sato-Toshima, Sakiyama, et al., 1980
Sato-Toshima, T.; Sakiyama, M.; Seki, S., Thermochemical estimation of destabilization energies of 1,2-, 1,3-, and 1,4-dicyanobenzenes due to interactions between substituents. Appendix: Dipole moments in solution of the dicyanobenzenes, Bull. Chem. Soc. Jpn., 1980, 53, 2762-2767. [all data]

Lebedev, Bykova, et al., 1988
Lebedev, B.V.; Bykova, T.A.; Kiparisova, Y.G.; Mitina, L.M.; Pankratov, V.A., Calorimetric study of terephthalodinitrile, its polycyclotrimerization, and the resulting polytriazine in the range 0-330 K, Vysokomol. Soedin., 1988, B30(3), 179-183. [all data]


Notes

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