Styrene

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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
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas35.11 ± 0.24kcal/molCcbProsen and Rossini, 1945ALS
Δfgas36.21kcal/molN/ALandrieu, Baylocq, et al., 1929Value computed using ΔfHliquid° value of 108.0 kj/mol from Landrieu, Baylocq, et al., 1929 and ΔvapH° value of 43.5 kj/mol from Prosen and Rossini, 1945.; DRB
Δfgas31.43 ± 0.96kcal/molCcbN/AValue computed using ΔfHliquid° from missing citation and ΔvapH° value of 10.5 kcal/mol from Pitzer, Guttman, et al., 1946. recalculated with modern CO2,H2O thermo; estimated uncertainty (NOTE all values in source also have wrong sign); DRB
Δfgas-3.61kcal/molN/AMoureu and Andre, 1914Value computed using ΔfHliquid° value of -58.6 kj/mol from Moureu and Andre, 1914 and ΔvapH° value of 43.5 kj/mol from Prosen and Rossini, 1945.; DRB
Quantity Value Units Method Reference Comment
gas82.48 ± 0.50cal/mol*KN/APitzer K.S., 1946S(298.16 K)=343.38 J/mol*K was obtained from earlier experimental data [ Guttman L., 1943].; GT

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
36.16 ± 0.18373.15Scott R.B., 1945GT

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
10.9450.Thermodynamics Research Center, 1997p=1 bar. Recommended values agree with other statistically calculated values of S(T) and Cp(T) [ Beckett C.W., 1946] within 0.8 and 1.9 J/mol*K, respectively.; GT
12.95100.
15.73150.
19.54200.
26.298273.15
28.726298.15
28.905300.
38.191400.
46.030500.
52.34600.
57.46700.
61.66800.
65.20900.
68.161000.
70.701100.
72.871200.
74.741300.
76.341400.
77.721500.

Mass spectrum (electron ionization)

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

Spectrum

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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, 1998.
NIST MS number 290820

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References

Go To: Top, Gas 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.

Prosen and Rossini, 1945
Prosen, E.J.; Rossini, F.D., Heats of formation and combustion of 1,3-butadiene and styrene, J. Res. NBS, 1945, 34, 59-63. [all data]

Landrieu, Baylocq, et al., 1929
Landrieu, P.; Baylocq, F.; Johnson, J.R., Etude thermochimique dans la serie furanique, Bull. Soc. Chim. France, 1929, 45, 36-49. [all data]

Pitzer, Guttman, et al., 1946
Pitzer, K.S.; Guttman, L.; Westrum, E.F., Jr., The heat capacity, heats of fusion and vaporization, vapor pressure, entropy, vibration frequencies and barrier to internal rotation of styrene, J. Am. Chem. Soc., 1946, 68, 2209-22. [all data]

Moureu and Andre, 1914
Moureu, C.; Andre, E., Thermochimie des composes acetyleniques, Ann. Chim. Phys., 1914, 1, 113-145. [all data]

Pitzer K.S., 1946
Pitzer K.S., Jr., The heat capacity, heats of fusion and vaporization, vapor pressure, entropy, vibrational frequencies, and barrier to internal rotation of styrene, J. Am. Chem. Soc., 1946, 68, 2209-2212. [all data]

Guttman L., 1943
Guttman L., Jr., The thermodynamics of styrene (phenylethylene), including equilibrium of formation from ethylbenzene, J. Am. Chem. Soc., 1943, 65, 1246-1247. [all data]

Scott R.B., 1945
Scott R.B., Specific heats of gaseous 1,3-butadiene, isobutene, styrene, and ethylbenzene, J. Res. Nat. Bur. Stand., 1945, 34, 243-254. [all data]

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Beckett C.W., 1946
Beckett C.W., The thermodynamics of styrene and its methyl derivatives, J. Am. Chem. Soc., 1946, 68, 2213-2214. [all data]


Notes

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