Thiophene, tetrahydro-

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.


Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Ion clustering 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
Δfgas-8.02 ± 0.28kcal/molCcrDavies and Sunner, 1962see Sunner, 1963
Δfgas-8.25 ± 0.36kcal/molCcrHubbard, Katz, et al., 1954Heat of combustion calculated author's U=-773.80

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Ion clustering 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

(C4H8S+ • Thiophene, tetrahydro-) + Thiophene, tetrahydro- = (C4H8S+ • 2Thiophene, tetrahydro-)

By formula: (C4H8S+ • C4H8S) + C4H8S = (C4H8S+ • 2C4H8S)

Quantity Value Units Method Reference Comment
Δr7.8kcal/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr18.cal/mol*KN/AHiraoka, Takimoto, et al., 1987gas phase; Entropy change calculated or estimated

(C4H9S+ • Thiophene, tetrahydro-) + Thiophene, tetrahydro- = (C4H9S+ • 2Thiophene, tetrahydro-)

By formula: (C4H9S+ • C4H8S) + C4H8S = (C4H9S+ • 2C4H8S)

Quantity Value Units Method Reference Comment
Δr7.9kcal/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr18.cal/mol*KN/AHiraoka, Takimoto, et al., 1987gas phase; Entropy change calculated or estimated

C4H9S+ + Thiophene, tetrahydro- = (C4H9S+ • Thiophene, tetrahydro-)

By formula: C4H9S+ + C4H8S = (C4H9S+ • C4H8S)

Quantity Value Units Method Reference Comment
Δr16.9kcal/molPHPMSHiraoka, Takimoto, et al., 1987gas phase
Quantity Value Units Method Reference Comment
Δr21.0cal/mol*KPHPMSHiraoka, Takimoto, et al., 1987gas phase

C4H8S+ + Thiophene, tetrahydro- = (C4H8S+ • Thiophene, tetrahydro-)

By formula: C4H8S+ + C4H8S = (C4H8S+ • C4H8S)

Quantity Value Units Method Reference Comment
Δr16.9kcal/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; ΔrH<

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Reaction 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C4H8S+ + Thiophene, tetrahydro- = (C4H8S+ • Thiophene, tetrahydro-)

By formula: C4H8S+ + C4H8S = (C4H8S+ • C4H8S)

Quantity Value Units Method Reference Comment
Δr16.9kcal/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; ΔrH<

(C4H8S+ • Thiophene, tetrahydro-) + Thiophene, tetrahydro- = (C4H8S+ • 2Thiophene, tetrahydro-)

By formula: (C4H8S+ • C4H8S) + C4H8S = (C4H8S+ • 2C4H8S)

Quantity Value Units Method Reference Comment
Δr7.8kcal/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr18.cal/mol*KN/AHiraoka, Takimoto, et al., 1987gas phase; Entropy change calculated or estimated

C4H9S+ + Thiophene, tetrahydro- = (C4H9S+ • Thiophene, tetrahydro-)

By formula: C4H9S+ + C4H8S = (C4H9S+ • C4H8S)

Quantity Value Units Method Reference Comment
Δr16.9kcal/molPHPMSHiraoka, Takimoto, et al., 1987gas phase
Quantity Value Units Method Reference Comment
Δr21.0cal/mol*KPHPMSHiraoka, Takimoto, et al., 1987gas phase

(C4H9S+ • Thiophene, tetrahydro-) + Thiophene, tetrahydro- = (C4H9S+ • 2Thiophene, tetrahydro-)

By formula: (C4H9S+ • C4H8S) + C4H8S = (C4H9S+ • 2C4H8S)

Quantity Value Units Method Reference Comment
Δr7.9kcal/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr18.cal/mol*KN/AHiraoka, Takimoto, et al., 1987gas phase; Entropy change calculated or estimated

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, 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]

Sunner, 1963
Sunner, S., Corrected heat of combustion and formation values for a number of organic sulphur compounds, Acta Chem. Scand., 1963, 17, 728-730. [all data]

Hubbard, Katz, et al., 1954
Hubbard, W.N.; Katz, C.; Waddington, G., A rotating combustion bomb for precision calorimetry. Heats of combustion of some sulfur-containing compounds, J. Phys. Chem., 1954, 58, 142. [all data]

Hiraoka, Takimoto, et al., 1987
Hiraoka, K.; Takimoto, H.; Yamabe, S., Stabilities and Structures in Cluster Ions of Five-Membered Heterocyclic Compounds Containing O, N and S Atoms, J. Am. Chem. Soc., 1987, 109, 24, 7346, https://doi.org/10.1021/ja00258a018 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, References