Benzene, 1,3-diethyl-

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.


Condensed phase thermochemistry data

Go To: Top, 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
Δfliquid-17.57 ± 0.26kcal/molCcbGood, 1973 
Δfliquid-17.44 ± 0.42kcal/molCcbProsen, Johnson, et al., 1946 
Quantity Value Units Method Reference Comment
Δcliquid-1401.15 ± 0.22kcal/molCcbGood, 1973Corresponding Δfliquid = -17.57 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-1401.30 ± 0.44kcal/molCcbProsen, Johnson, et al., 1946Corresponding Δfliquid = -17.42 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change 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 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

Quantity Value Units Method Reference Comment
Tboil454. ± 2.KAVGN/AAverage of 24 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus189.33KN/ABirch, Dean, et al., 1949Uncertainty assigned by TRC = 0.2 K; TRC
Tfus189.16KN/ABoord, Greenlee, et al., 1948Uncertainty assigned by TRC = 0.2 K; TRC
Tfus189.06KN/AGibbons, Thompson, et al., 1946Uncertainty assigned by TRC = 0.15 K; TRC
Quantity Value Units Method Reference Comment
Δvap12.5kcal/molN/AReid, 1972AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
10.9383.AStephenson and Malanowski, 1987Based on data from 368. to 457. K. See also Forziati, Norris, et al., 1949.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference
368.24 to 455.314.125201576.261-72.146Forziati, Norris, et al., 1949, 2

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, 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.

Good, 1973
Good, W.D., The enthalpies of combustion and formation of n-butylbenzene, the diethylbenzenes, the methyl-n-propylbenzenes, and the methyl-iso-propylbenzenes, J. Chem. Thermodyn., 1973, 5, 707-714. [all data]

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of combustion and formation at 25°C of the alkylbenzenes through C10H14, and of the higher normal monoalkylbenzenes, J. Res. NBS, 1946, 36, 455-461. [all data]

Birch, Dean, et al., 1949
Birch, S.F.; Dean, R.A.; Fidler, F.A.; Lowry, R.A., The preparation of the c(10) monocyclic aromatic hydrocarbons, J. Am. Chem. Soc., 1949, 71, 1362. [all data]

Boord, Greenlee, et al., 1948
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L.; Derfer, J.M., The Synthesis, Purificaiton and Prop. of Hydrocarbons of Low Mol. Wt., Am. Pet. Inst. Res. Proj. 45, Tenth Annu. Rep., Ohio State Univ., 1948. [all data]

Gibbons, Thompson, et al., 1946
Gibbons, L.C.; Thompson, J.F.; Reynolds, T.W.; Wright, J.I.; Chanan, H.H.; Lamberti, J.M.; Hipsher, H.F.; Karabinos, J.V., The Purification and Physical Constants of Aromatic Compounds, J. Am. Chem. Soc., 1946, 68, 1130. [all data]

Reid, 1972
Reid, Robert C., Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00, AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637 . [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]

Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D., Vapor pressures and boiling points of sixty API-NBS hydrocarbons, J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050 . [all data]

Forziati, Norris, et al., 1949, 2
Forziati, A.F.; Norris, W.R.; Rossini, F.D., Vapor Pressures and Boiling Points of Sixty API-NBS Hydrocarbons, J. Res. Natl. Bur. Stand. (U.S.), 1949, 43, 6, 555-563, https://doi.org/10.6028/jres.043.050 . [all data]


Notes

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