Thiophene, 2,3-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
Δfgas21.67 ± 0.30kcal/molCcrDavies and Sunner, 1962Reanalyzed by Cox and Pilcher, 1970, Original value = 21.78 ± 0.30 kcal/mol

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
Tboil385.2KN/AMajer and Svoboda, 1985 
Tboil385.15KN/ADavies and Sunner, 1962, 2Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
Tfus164.45KN/ADavies and Sunner, 1962, 2Uncertainty assigned by TRC = 1.5 K; TRC
Tfus163.55KN/ADavies and Sunner, 1962, 2Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δvap9.032kcal/molN/AMajer and Svoboda, 1985 
Δvap9.0 ± 0.1kcal/molCDavies and Sunner, 1962ALS
Δvap9.03kcal/molN/ADavies and Sunner, 1962DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference
7.945385.2Majer and Svoboda, 1985

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Mass spectrum (electron ionization)

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

Spectrum

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Mass 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 Chemical Concepts
NIST MS number 151458

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Gas Chromatography

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

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCP Sil 8 CB767.Elmore, Campo, et al., 200260. m/0.25 mm/0.25 μm, He, 40. C @ 2. min, 4. K/min; Tend: 280. C
CapillaryBPX-5768.Ames, Guy, et al., 200150. m/0.32 mm/0.5 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryCP-Sil 8CB-MS764.Elmore, Mottram, et al., 200060. m/0.25 mm/0.25 μm, He; Program: 0C(5min) => 40C/min => 40C (2min) => 4C/min => 280C
CapillaryBPX-5780.Elmore, Mottram, et al., 199950. m/0.32 mm/0.5 μm, He; Program: 0C(5min) => 40C/min => 40C(2min) => 4C/min => 280C

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax1104.Umano, Hagi, et al., 1995He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 200. C

References

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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]

Elmore, Campo, et al., 2002
Elmore, J.S.; Campo, M.M.; Enser, M.; Mottram, D.S., Effect of lipid composition on meat-like model systems containing cysteine, ribose, and polyunsaturated fatty acids, J. Agric. Food Chem., 2002, 50, 5, 1126-1132, https://doi.org/10.1021/jf0108718 . [all data]

Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH and temperature on the formation of volatile compounds in cysteine/reducing sugar/starch mixtures during extrusion cooking, J. Agric. Food Chem., 2001, 49, 4, 1885-1894, https://doi.org/10.1021/jf0012547 . [all data]

Elmore, Mottram, et al., 2000
Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D., The effects of diet and breed on the volatile compounds of cooked lamb, Meat Sci., 2000, 55, 2, 149-159, https://doi.org/10.1016/S0309-1740(99)00137-0 . [all data]

Elmore, Mottram, et al., 1999
Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D., Effect of the polyunsaturated fatty acid composition of beef muscle on the profile of aroma volatiles, J. Agric. Food Chem., 1999, 47, 4, 1619-1625, https://doi.org/10.1021/jf980718m . [all data]

Umano, Hagi, et al., 1995
Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T., Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system, J. Agric. Food Chem., 1995, 43, 8, 2212-2218, https://doi.org/10.1021/jf00056a046 . [all data]


Notes

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