1,3-Cyclohexadiene

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas25.00 ± 0.15kcal/molCcrSteele, Chirico, et al., 1989ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
8.18450.Dorofeeva O.V., 1986Recommended entropy values at 298.15 and 1000 K are less than those obtained by force-field calculation [ Lenz T.G., 1989] by 6.6 and 5.0 J/mol*K, respectively. Discrepancies between Cp(T) values amount to about 3 J/mol*K.; GT
9.747100.
12.01150.
15.00200.
20.47273.15
22.51 ± 0.60298.15
22.66300.
30.724400.
37.761500.
43.556600.
48.313700.
52.271800.
55.600900.
58.4251000.
60.8341100.
62.8971200.
64.6701300.
66.2001400.
67.5241500.

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
Δfliquid17.07 ± 0.15kcal/molCcrSteele, Chirico, et al., 1989ALS
Quantity Value Units Method Reference Comment
Δcliquid-854.63 ± 0.13kcal/molCcrSteele, Chirico, et al., 1989Corresponding Δfliquid = 17.07 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid47.151cal/mol*KN/AGeipel and Wolf, 1976DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
33.77298.15Steele, Chirico, et al., 1989DH
34.551298.15Geipel and Wolf, 1976T = 10 to 300 K.; DH

Mass spectrum (electron ionization)

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 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 NIST Mass Spectrometry Data Center, 1990.
NIST MS number 118700

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References

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

Steele, Chirico, et al., 1989
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K., Determination of some pure compound ideal-gas enthalpies of formation, AIChE Symp. Ser., 1989, 85, 140-162. [all data]

Dorofeeva O.V., 1986
Dorofeeva O.V., Thermodynamic properties of twenty-one monocyclic hydrocarbons, J. Phys. Chem. Ref. Data, 1986, 15, 437-464. [all data]

Lenz T.G., 1989
Lenz T.G., Force-field calculations giving accurate conformation, Hf(T), S(T), and Cp(T) for unsaturated acyclic and cyclic hydrocarbons, J. Phys. Chem., 1989, 93, 1588-1592. [all data]

Geipel and Wolf, 1976
Geipel, G.; Wolf, G., Die molare Wärmekapazität von Cyclohexadien(1,4) und Cyclohexadien(1,3) im Temperaturegebiet von 10...300K, Z. Phys. Chem., 1976, 257, 587-593. [all data]


Notes

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