Thiophene, 2,5-dihydro-

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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
Δfgas20.86 ± 0.28kcal/molCcrDavies and Sunner, 1962 

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
Δfliquid11.31 ± 0.28kcal/molCcrDavies and Sunner, 1962 
Quantity Value Units Method Reference Comment
Δcliquid-736.40 ± 0.25kcal/molCcrDavies and Sunner, 1962 

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil395.5KN/AMajer and Svoboda, 1985 
Tboil395.45KN/ADavies and Sunner, 1962, 2Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus223.85KN/ADavies and Sunner, 1962, 2Uncertainty assigned by TRC = 1.5 K; TRC
Tfus223.05KN/ADavies and Sunner, 1962, 2Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δvap9.553kcal/molN/AMajer and Svoboda, 1985 
Δvap9.55 ± 0.06kcal/molCDavies and Sunner, 1962ALS
Δvap9.56kcal/molN/ADavies and Sunner, 1962DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference
8.325395.5Majer and Svoboda, 1985

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:


Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C4H6S+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.4PESchmidt and Schweig, 1973 
8.54PESchmidt and Schweig, 1973Vertical value

References

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

Davies and Sunner, 1962
Davies, J.V.; Sunner, S., Heats of combustion and formation of thiolane and of the thiolenes, Acta Chem. Scand., 1962, 16, 1870-1876. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Davies and Sunner, 1962, 2
Davies, J.V.; Sunner, S., Heats of Combustion and Formation of Thiolane and the Thiolenes, Acta Chem. Scand., 1962, 16, 1870. [all data]

Schmidt and Schweig, 1973
Schmidt, H.; Schweig, A., Ausschluss transanularer Wechselwirkung in 2.5-Dihydrothiophen, Tetrahedron Lett., 1973, 1437. [all data]


Notes

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